repack.d: don't use icon ext in desktop files

repack.d/icq.sh

@@ -37,7 +37,7 @@ Version=1.0
 Type=Application
 Name=ICQ for Linux
 Comment=Simple way to communicate and nothing extra. New design, group chats and much more!
-Icon=icq.png
+Icon=icq
 Exec=icq -urlcommand %u
 Categories=InstantMessaging;Social;Chat;Network;
 Terminal=false

repack.d/vkteams.sh

@@ -36,7 +36,7 @@ Version=1.0
 Type=Application
 Name=VK Teams
 Comment=Official desktop application for the VK Teams messaging service
-Icon=$PRODUCT.png
+Icon=$PRODUCT
 Exec=$PRODUCT -urlcommand %u
 Categories=InstantMessaging;Social;Chat;Network;
 Terminal=false