remove some redundant parens

src/Polly.Benchmarks/Bulkhead.cs

@@ -25,7 +25,7 @@ public Task Bulkhead_Asynchronous()
     [Benchmark]
     public Task Bulkhead_Asynchronous_With_CancellationToken()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.ActionAsync(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.ActionAsync(token), CancellationToken.None);
     }
 
     [Benchmark]
@@ -43,6 +43,6 @@ public Task<int> Bulkhead_Asynchronous_With_Result()
     [Benchmark]
     public Task<int> Bulkhead_Asynchronous_With_Result_With_CancellationToken()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.FuncAsync<int>(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.FuncAsync<int>(token), CancellationToken.None);
     }
 }

src/Polly.Benchmarks/Cache.cs

@@ -25,14 +25,14 @@ public class Cache
     [GlobalSetup]
     public Task GlobalSetup()
     {
-        SyncPolicyHit.Execute((context) => GetObject(), HitContext);
+        SyncPolicyHit.Execute(context => GetObject(), HitContext);
         return AsyncPolicyHit.ExecuteAsync((context, token) => GetObjectAsync(token), HitContext, CancellationToken.None);
     }
 
     [Benchmark]
     public object Cache_Synchronous_Hit()
     {
-        return SyncPolicyHit.Execute((context) => GetObject(), HitContext);
+        return SyncPolicyHit.Execute(context => GetObject(), HitContext);
     }
 
     [Benchmark]
@@ -44,7 +44,7 @@ public Task<object> Cache_Asynchronous_Hit()
     [Benchmark]
     public object Cache_Synchronous_Miss()
     {
-        return SyncPolicyMiss.Execute((context) => GetObject(), MissContext);
+        return SyncPolicyMiss.Execute(context => GetObject(), MissContext);
     }
 
     [Benchmark]

src/Polly.Benchmarks/CircuitBreaker.cs

@@ -20,7 +20,7 @@ public void CircuitBreaker_Synchronous_Succeeds()
     [Benchmark]
     public Task CircuitBreaker_Asynchronous_Succeeds()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.ActionAsync(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.ActionAsync(token), CancellationToken.None);
     }
 
     [Benchmark]
@@ -32,6 +32,6 @@ public int CircuitBreaker_Synchronous_With_Result_Succeeds()
     [Benchmark]
     public Task<int> CircuitBreaker_Asynchronous_With_Result_Succeeds()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.FuncAsync<int>(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.FuncAsync<int>(token), CancellationToken.None);
     }
 }

src/Polly.Benchmarks/NoOp.cs

@@ -19,7 +19,7 @@ public void NoOp_Synchronous()
     [Benchmark]
     public Task NoOp_Asynchronous()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.ActionAsync(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.ActionAsync(token), CancellationToken.None);
     }
 
     [Benchmark]
@@ -31,6 +31,6 @@ public int NoOp_Synchronous_With_Result()
     [Benchmark]
     public Task<int> NoOp_Asynchronous_With_Result()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.FuncAsync<int>(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.FuncAsync<int>(token), CancellationToken.None);
     }
 }

src/Polly.Benchmarks/PolicyWrap.cs

@@ -29,7 +29,7 @@ public void PolicyWrap_Synchronous()
     [Benchmark]
     public Task PolicyWrap_Asynchronous()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.ActionAsync(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.ActionAsync(token), CancellationToken.None);
     }
 
     [Benchmark]
@@ -41,6 +41,6 @@ public int PolicyWrap_Synchronous_With_Result()
     [Benchmark]
     public Task<int> PolicyWrap_Asynchronous_With_Result()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.FuncAsync<int>(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.FuncAsync<int>(token), CancellationToken.None);
     }
 }

src/Polly.Benchmarks/Retry.cs

@@ -26,7 +26,7 @@ public Task Retry_Asynchronous_Succeeds()
     [Benchmark]
     public Task Retry_Asynchronous_Succeeds_With_CancellationToken()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.ActionAsync(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.ActionAsync(token), CancellationToken.None);
     }
 
     [Benchmark]
@@ -44,7 +44,7 @@ public Task<int> Retry_Asynchronous_With_Result_Succeeds()
     [Benchmark]
     public Task<int> Retry_Asynchronous_With_Result_Succeeds_With_CancellationToken()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.FuncAsync<int>(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.FuncAsync<int>(token), CancellationToken.None);
     }
 
     [Benchmark]

src/Polly.Benchmarks/Timeout.cs

@@ -26,7 +26,7 @@ public Task Timeout_Asynchronous_Succeeds()
     [Benchmark]
     public Task Timeout_Asynchronous_Succeeds_With_CancellationToken()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.ActionAsync(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.ActionAsync(token), CancellationToken.None);
     }
 
     [Benchmark]
@@ -44,12 +44,12 @@ public Task<int> Timeout_Asynchronous_With_Result_Succeeds()
     [Benchmark]
     public Task<int> Timeout_Asynchronous_With_Result_Succeeds_With_CancellationToken()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.FuncAsync<int>(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.FuncAsync<int>(token), CancellationToken.None);
     }
 
     [Benchmark]
     public Task Timeout_Asynchronous_Times_Out_Optimistic()
     {
-        return AsyncPolicy.ExecuteAsync((token) => Workloads.ActionInfiniteAsync(token), CancellationToken.None);
+        return AsyncPolicy.ExecuteAsync(token => Workloads.ActionInfiniteAsync(token), CancellationToken.None);
     }
 }