Fix code style warnings

fixes eb94bd8

Author: YoshiRulz

src/BizHawk.Client.Common/movie/import/HereticLmpImport.cs

@@ -35,7 +35,7 @@ protected override void RunImport()
 				RenderWipescreen = false,
 			};
 			Result.Movie.SyncSettingsJson = ConfigService.SaveWithType(syncSettings);
-			
+
 			var controller = new SimpleController(DSDA.CreateControllerDefinition(syncSettings));
 			controller.Definition.BuildMnemonicsCache(Result.Movie.SystemID);
 			void ParsePlayer(string playerPfx)

src/BizHawk.Client.Common/movie/import/HexenLmpImport.cs

@@ -47,7 +47,7 @@ protected override void RunImport()
 			_ = input[i++]; // player 8 isPresent
 			_ = input[i++]; // player 8 class
 			Result.Movie.SyncSettingsJson = ConfigService.SaveWithType(syncSettings);
-			
+
 			var controller = new SimpleController(DSDA.CreateControllerDefinition(syncSettings));
 			controller.Definition.BuildMnemonicsCache(Result.Movie.SystemID);
 			void ParsePlayer(string playerPfx)

src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.Controller.cs

@@ -1,6 +1,4 @@
-using System.Linq;
-
-using BizHawk.Common;
+using BizHawk.Common;
 using BizHawk.Common.CollectionExtensions;
 using BizHawk.Emulation.Common;