Updated delete icon

Also remove the duplicate ic_menu_delete.xml and fix up places where it
was used.

Bug: 77982107
Test: manual
Change-Id: I23ede37b7cdf9bea59b44cd0f817bf0ad0cd1d69

src/com/android/settings/network/ApnEditor.java

@@ -721,7 +721,7 @@ public class ApnEditor extends SettingsPreferenceFragment
         // If it's a new APN, then cancel will delete the new entry in onPause
         if (!mNewApn && !mReadOnlyApn) {
             menu.add(0, MENU_DELETE, 0, R.string.menu_delete)
-                .setIcon(R.drawable.ic_menu_delete);
+                .setIcon(R.drawable.ic_delete);
         }
         menu.add(0, MENU_SAVE, 0, R.string.menu_save)
             .setIcon(android.R.drawable.ic_menu_save);