Update theme.index for MATE compatibiliy

Author: Elbullazul

index.theme

@@ -1,14 +1,12 @@
 [Desktop Entry]
 Type=X-GNOME-Metatheme
 Name=Windows 10 Dark
-Comment=Windows 10 UI for Linux OSes
-Comment=Author : Christian Medel (Elbullazul)
-Version=v2.0
+Comment=Windows 10 Dark UI for Linux OSes
 Encoding=UTF-8
 
 [X-GNOME-Metatheme]
 GtkTheme=Windows 10 Dark
 MetacityTheme=Windows 10 Dark
-IconTheme=Windows 10
+IconTheme=Windows 10 Dark
 CursorTheme=DMZ-White
 ButtonLayout=menu:minimize,maximize,close