Remove de.ub0r.android.adBlock

Its deprecated and there appears to be no new development.

metadata/de.ub0r.android.adBlock.txt

@@ -1,26 +0,0 @@
-Disabled:Use org.adblockplus.android instead
-Categories:System
-License:GPLv3+
-Web Site:https://code.google.com/p/andblock
-Source Code:https://github.com/felixb/adBlock
-Issue Tracker:
-
-Auto Name:AdBlock
-Summary:Ad-blocking HTTP proxy
-Description:
-Blocks advertisements in the web browser by filtering requests by URL. Root is
-not required. The app is still in beta and hasn't been updated in a while so
-your mileage might vary.
-.
-
-Repo Type:git
-Repo:https://github.com/felixb/adBlock.git
-
-Build:0.5,5
-    commit=v0.5
-    oldsdkloc=yes
-
-Auto Update Mode:None
-Update Check Mode:Static
-Current Version:0.5
-Current Version Code:5