Hide unavailable Lua libs from REPL autocomplete

see #4167

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

@@ -198,11 +198,14 @@ namespace BizHawk.Client.Common
 		private readonly LuaMethodAttribute _luaAttributes;
 		private readonly LuaMethodExampleAttribute _luaExampleAttribute;
 
-		public LibraryFunction(string library, string libraryDescription, MethodInfo method)
+		public readonly bool SuggestInREPL;
+
+		public LibraryFunction(string library, string libraryDescription, MethodInfo method, bool suggestInREPL = true)
 		{
 			_luaAttributes = method.GetCustomAttribute<LuaMethodAttribute>(false);
 			_luaExampleAttribute = method.GetCustomAttribute<LuaMethodExampleAttribute>(false);
 			Method = method;
+			SuggestInREPL = suggestInREPL;
 
 			IsDeprecated = method.GetCustomAttribute<LuaDeprecatedMethodAttribute>(false) != null;
 			Library = library;

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

@@ -220,7 +220,9 @@ namespace BizHawk.Client.EmuHawk
 				Emulator,
 				Game);
 
-			InputBox.AutoCompleteCustomSource.AddRange(LuaImp.Docs.Select(a => $"{a.Library}.{a.Name}").ToArray());
+			InputBox.AutoCompleteCustomSource.AddRange(LuaImp.Docs.Where(static f => f.SuggestInREPL)
+				.Select(static f => $"{f.Library}.{f.Name}")
+				.ToArray());
 
 			foreach (var file in runningScripts)
 			{

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

@@ -47,7 +47,8 @@ namespace BizHawk.Client.EmuHawk
 						name,
 						type.GetCustomAttributes(typeof(DescriptionAttribute), false).Cast<DescriptionAttribute>()
 							.Select(descAttr => descAttr.Description).FirstOrDefault() ?? string.Empty,
-						method
+						method,
+						suggestInREPL: false
 					);
 					Docs.Add(libFunc);
 				}