Fix some code flagged by StyleCop

SA1106 x4, SA1113 x2, SA1142 x2, SA1206

src/BizHawk.Client.Common/movie/bk2/Bk2Controller.cs

@@ -23,7 +23,7 @@ namespace BizHawk.Client.Common
 
 				_type.ControlsFromLog = groups
 					.Select(group => group.Split(new[] { "|" }, StringSplitOptions.RemoveEmptyEntries).ToList())
-					.ToList();;
+					.ToList();
 			}
 		}
 

src/BizHawk.Client.EmuHawk/Input/OTK_Gamepad.cs

@@ -22,7 +22,7 @@ namespace BizHawk.Client.EmuHawk
 
 		private static readonly List<OTK_GamePad> Devices = new List<OTK_GamePad>();
 
-		volatile static bool initialized = false;
+		private static volatile bool initialized = false;
 
 		/// <remarks>Initialization is only called once when MainForm loads</remarks>
 		public static void Initialize()

src/BizHawk.Client.EmuHawk/MainForm.cs

@@ -947,9 +947,9 @@ namespace BizHawk.Client.EmuHawk
 			var floats = Input.Instance.GetAxisValues();
 			foreach (var f in Input.Instance.GetAxisValues())
 			{
-				if (f.Item1 == "WMouse X")
+				if (f.AxisID == "WMouse X")
 					mouseX = f;
-				else if (f.Item1 == "WMouse Y")
+				else if (f.AxisID == "WMouse Y")
 					mouseY = f;
 				else conInput.AcceptNewAxes(f);
 			}

src/BizHawk.Client.EmuHawk/tools/Lua/Libraries/SavestateLuaLibrary.cs

@@ -17,8 +17,7 @@ namespace BizHawk.Client.EmuHawk
 		public override string Name => "savestate";
 
 		[LuaMethodExample("savestate.load( \"C:\\state.bin\" );")]
-		[LuaMethod("load"
-			, "Loads a savestate with the given path. If EmuHawk is deferring quicksaves, to TAStudio for example, that form will do what it likes (and the path is ignored).")]
+		[LuaMethod("load", "Loads a savestate with the given path. If EmuHawk is deferring quicksaves, to TAStudio for example, that form will do what it likes (and the path is ignored).")]
 		public void Load(string path, bool suppressOSD = false)
 		{
 			// TODO: find a non-global way to access LuaImp from Lua libraries!
@@ -37,8 +36,7 @@ namespace BizHawk.Client.EmuHawk
 		}
 
 		[LuaMethodExample("savestate.loadslot( 7 );")]
-		[LuaMethod("loadslot"
-			, "Loads the savestate at the given slot number (must be an integer between 0 and 9). If EmuHawk is deferring quicksaves, to TAStudio for example, that form will do what it likes with the slot number.")]
+		[LuaMethod("loadslot", "Loads the savestate at the given slot number (must be an integer between 0 and 9). If EmuHawk is deferring quicksaves, to TAStudio for example, that form will do what it likes with the slot number.")]
 		public void LoadSlot(int slotNum, bool suppressOSD = false)
 		{
 			// TODO: find a non-global way to access LuaImp from Lua libraries!

src/BizHawk.Emulation.Cores/Arcades/MAME/LibMAME.cs

@@ -16,7 +16,7 @@ namespace BizHawk.Emulation.Cores.Arcades.MAME
 		public enum SaveError
 		{
 			NONE, NOT_FOUND, ILLEGAL_REGISTRATIONS, INVALID_HEADER, READ_ERROR, WRITE_ERROR, DISABLED
-		};
+		}
 
 		// main launcher
 		[DllImport(dll, CallingConvention = cc)]

src/BizHawk.Emulation.Cores/CPUs/MOS 6502X/Execute.cs

@@ -714,7 +714,7 @@ namespace BizHawk.Emulation.Cores.Components.M6502
 			rdy_freeze = !RDY;
 			if (RDY)
 			{
-				_link.DummyReadMemory(PC); ; Y--; NZ_Y();
+				_link.DummyReadMemory(PC); Y--; NZ_Y();
 			}
 		}
 		void Imp_INX()

src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/LibmGBA.cs

@@ -88,7 +88,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 			WATCHPOINT_READ = 2,
 			WATCHPOINT_RW = 3,
 			WATCHPOINT_WRITE_CHANGE = 4,
-		};
+		}
 
 		[StructLayout(LayoutKind.Sequential)]
 		public class OverrideInfo