Remove unused drawables

Change-Id: I4386e977d0335d1c3827822f7a62c365e7f3beec
diff --git a/java/res/drawable-hdpi/ic_settings_language.png b/java/res/drawable-hdpi/ic_settings_language.png
deleted file mode 100644
index f635b2e..0000000
--- a/java/res/drawable-hdpi/ic_settings_language.png
+++ /dev/null
Binary files differ
diff --git a/java/res/drawable-mdpi/ic_settings_language.png b/java/res/drawable-mdpi/ic_settings_language.png
deleted file mode 100644
index f8aca67..0000000
--- a/java/res/drawable-mdpi/ic_settings_language.png
+++ /dev/null
Binary files differ
diff --git a/java/res/drawable-xhdpi/ic_settings_language.png b/java/res/drawable-xhdpi/ic_settings_language.png
deleted file mode 100644
index 2c42db3..0000000
--- a/java/res/drawable-xhdpi/ic_settings_language.png
+++ /dev/null
Binary files differ