Remove unused `IPlatformLuaLibEnv` implementation

src/BizHawk.Client.Common/lua/IPlatformLuaLibEnv.cs

@@ -4,6 +4,7 @@ using NLua;
 
 namespace BizHawk.Client.Common
 {
+	/// <remarks>TODO replace with impl.</remarks>
 	public interface IPlatformLuaLibEnv
 	{
 		LuaDocumentation Docs { get; }

src/BizHawk.Client.EmuHawk/tools/Lua/UnixLuaLibraries.cs

@@ -1,53 +0,0 @@
-using System;
-
-using BizHawk.Client.Common;
-
-using NLua;
-
-namespace BizHawk.Client.EmuHawk
-{
-	/// <summary>
-	/// Methods intentionally blank.
-	/// </summary>
-	public sealed class UnixLuaLibraries : IPlatformLuaLibEnv
-	{
-		public LuaDocumentation Docs { get; } = new LuaDocumentation();
-
-		public string EngineName => null;
-
-		public bool IsRebootingCore { get; set; }
-
-		public bool IsUpdateSupressed { get; set; }
-
-		public LuaFunctionList RegisteredFunctions { get; }
-
-		public PathEntryCollection PathEntries { get; }
-
-		public LuaFileList ScriptList { get; }
-
-		public UnixLuaLibraries(LuaFileList scriptList, LuaFunctionList registeredFuncList, PathEntryCollection pathEntries)
-		{
-			PathEntries = pathEntries;
-			RegisteredFunctions = registeredFuncList;
-			ScriptList = scriptList;
-		}
-
-		public void CallLoadStateEvent(string name) {}
-
-		public void CallSaveStateEvent(string name) {}
-
-		public INamedLuaFunction CreateAndRegisterNamedFunction(
-			LuaFunction function,
-			string theEvent,
-			Action<string> logCallback,
-			LuaFile luaFile,
-			string name = null)
-				=> null;
-
-		public NLuaTableHelper GetTableHelper() => null;
-
-		public bool RemoveNamedFunctionMatching(Func<INamedLuaFunction, bool> predicate) => false;
-
-		public void SpawnAndSetFileThread(string pathToLoad, LuaFile lf) {}
-	}
-}