cleanup: remove unused resources

ring-android/app/src/main/AndroidManifest.xml

...d/app/src/main/java/cx/ring/adapters/ContactsAdapter.java

...rc/main/java/cx/ring/adapters/StarredContactsAdapter.java

...ndroid/app/src/main/java/cx/ring/client/HomeActivity.java

...src/main/java/cx/ring/client/NewConversationActivity.java

.../src/main/java/cx/ring/fragments/ContactListFragment.java

...n/java/cx/ring/fragments/DetailsHistoryEntryFragment.java

...pp/src/main/java/cx/ring/fragments/DropActionsChoice.java

...pp/src/main/java/cx/ring/fragments/SmartListFragment.java

...p/src/main/java/cx/ring/interfaces/AccountsInterface.java

...id/app/src/main/java/cx/ring/loaders/LoaderConstants.java

...id/app/src/main/java/cx/ring/views/CircularImageView.java

.../app/src/main/java/cx/ring/views/HalfCircleImageView.java

ring-android/app/src/main/res/animator/slidein_up.xml

ring-android/app/src/main/res/animator/slideout_down.xml

...oid/app/src/main/res/drawable-hdpi/ic_edit_black_24dp.png

...oid/app/src/main/res/drawable-mdpi/ic_edit_black_24dp.png

...id/app/src/main/res/drawable-xhdpi/ic_edit_black_24dp.png

...d/app/src/main/res/drawable-xxhdpi/ic_edit_black_24dp.png

.../app/src/main/res/drawable-xxxhdpi/ic_edit_black_24dp.png