Remove change that came in from main unexpectedly

Author: marcpopMSFT

src/Cli/dotnet/Commands/Run/RunCommand.cs

@@ -549,12 +549,6 @@ public static RunCommand FromParseResult(ParseResult parseResult)
                 .Any(static t => t is { Type: TokenType.Argument, Value: "-" });
 
         string? projectOption = parseResult.GetValue(RunCommandParser.ProjectOption);
-        string? fileOption = parseResult.GetValue(RunCommandParser.FileOption);
-
-        if (projectOption != null && fileOption != null)
-        {
-            throw new GracefulException(CliCommandStrings.CannotCombineOptions, RunCommandParser.ProjectOption.Name, RunCommandParser.FileOption.Name);
-        }
 
         string[] args = [.. nonBinLogArgs];
         string? projectFilePath = DiscoverProjectFilePath(projectOption, readCodeFromStdin, ref args, out string? entryPointFilePath);