Remove the Align8 workaround (#2656)

Author: SingleAccretion

src/coreclr/nativeaot/System.Private.CoreLib/src/Internal/Runtime/ThreadStatics.cs

@@ -137,13 +137,7 @@ private static unsafe object AllocateThreadStaticStorageForType(TypeManagerHandl
                 gcDesc = Internal.Runtime.Augments.RuntimeAugments.TypeLoaderCallbacks.GetThreadStaticGCDescForDynamicType(typeManager, typeTlsIndex);
             }
 
-#if TARGET_WASM
-            // TODO-LLVM: Remove when there is an upstream fix.  See https://github.com/dotnet/runtimelab/issues/2606 and https://github.com/dotnet/runtime/issues/103234
-            // This is a fix for aligning to 8, thread static fields that should be aligned 8, we just conservatively align everything to 8.
-            return InternalCalls.RhpNewFastAlign8((MethodTable*)gcDesc);
-#else
             return RuntimeImports.RhNewObject((MethodTable*)gcDesc);
-#endif
         }
     }
 }