Removed extension methods as they are part of corelib now

GlitchyEngine/src/Extension/System/Array.bf

@@ -2,16 +2,6 @@ namespace System
 {
 	public extension Array1<T>
 	{
-		/// Returns the index of the given element or -1 if it is not in this array.
-		public int IndexOf(T element)
-		{
-			for(int i < mLength)
-				if(Ptr[i] == element)
-					return i;
-
-			return -1;
-		}
-
 		/**
 		 * Uses Binary Search to find the index of the given Element.
 		 * @param element The element whose element will be returned.

GlitchyEngine/src/Extension/System/IO/Directory.bf

@@ -10,53 +10,4 @@ extension Directory
 		// TODO: This is obviously windows only
 		return PathIsDirectoryEmptyW(fileName.ToScopedNativeWChar!());
 	}
-
-	public static Result<void, Platform.BfpFileResult> Copy(StringView fromPath, StringView toPath)
-	{
-		if (fromPath.Length <= 2)
-			return .Err(.InvalidParameter);
-		if ((fromPath[0] != '/') && (fromPath[0] != '\\'))
-		{
-			if (fromPath[1] == ':')
-			{
-				if (fromPath.Length < 3)
-					return .Err(.InvalidParameter);
-			}
-		}
-
-		if (!Directory.Exists(fromPath))
-			return .Err(.NotFound);
-
-		Try!(Directory.CreateDirectory(toPath));
-
-	    for (var directoryEntry in Directory.EnumerateDirectories(fromPath))
-	    {
-			let dirFromPath = scope String();
-			directoryEntry.GetFilePath(dirFromPath);
-
-			let dirName = scope String();
-			directoryEntry.GetFileName(dirName);
-
-			let dirToPath = scope String();
-			Path.Combine(dirToPath, toPath, dirName);
-
-			Try!(Copy(dirFromPath, dirToPath));
-	    }
-		
-		for (var fileEntry in Directory.EnumerateFiles(fromPath))
-		{
-			let fileFromPath = scope String();
-			fileEntry.GetFilePath(fileFromPath);
-
-			let fileName = scope String();
-			fileEntry.GetFileName(fileName);
-
-			let fileToPath = scope String();
-			Path.Combine(fileToPath, toPath, fileName);
-
-			Try!(File.Copy(fileFromPath, fileToPath));
-		}
-
-		return .Ok;
-	}
 }