Extract mod selector into its own mod.

mods/ts/chrome/gameinit.yaml

@@ -41,19 +41,12 @@ Background@INSTALL_PANEL:
 			Height:25
 			Text:Use CD
 			Font:Bold
-		Button@MODS_BUTTON:
-			X:PARENT_RIGHT - 250
-			Y:PARENT_BOTTOM - 45
-			Width:110
-			Height:25
-			Text:Change Mod
-			Font:Bold
-		Button@QUIT_BUTTON:
+		Button@BACK_BUTTON:
 			X:PARENT_RIGHT - 130
 			Y:PARENT_BOTTOM - 45
 			Width:110
 			Height:25
-			Text:Quit
+			Text:Back
 			Font:Bold
 
 Background@INSTALL_DOWNLOAD_PANEL:

mods/ts/mod.yaml

@@ -2,7 +2,7 @@ Metadata:
 	Title: Tiberian Sun
 	Description: Developer stub, not yet ready for release!
 	Version: {DEV_VERSION}
-	Author: The OpenRA Developers
+	Author: the OpenRA Developers
 
 Folders:
 	.
@@ -119,7 +119,6 @@ ChromeLayout:
 	mods/ra/chrome/directconnect.yaml
 	mods/ra/chrome/replaybrowser.yaml
 	mods/ra/chrome/dropdowns.yaml
-	mods/ra/chrome/modchooser.yaml
 	mods/ra/chrome/cheats.yaml
 	mods/ra/chrome/musicplayer.yaml
 	mods/ra/chrome/tooltips.yaml