[Flag cleanup] edit_shortcuts_in_full_screen is always on now

- Cleaned up the code that won't be executed when the flag is on
- Remove unused resources

Bug: 300302098
Test: Manually verify the user can change the shortcut type, and the
changes are saved
Test: atest com.android.settings.accessibility
Flag: EXEMPT removing com.android.settings.accessibility.edit_shortcuts_in_full_screen

Change-Id: I1e32b724ca3da909feda55e20fb1d51dc4680c09

src/com/android/settings/accessibility/InvisibleToggleAccessibilityServicePreferenceFragment.java

@@ -17,7 +17,6 @@
 package com.android.settings.accessibility;
 
 import android.accessibilityservice.AccessibilityServiceInfo;
-import android.content.DialogInterface;
 
 import com.android.settingslib.accessibility.AccessibilityUtils;
 
@@ -63,17 +62,4 @@ public class InvisibleToggleAccessibilityServicePreferenceFragment extends
         super.onAllowButtonFromShortcutToggleClicked();
         AccessibilityUtils.setAccessibilityServiceState(getContext(), mComponentName, true);
     }
-
-    /**
-     * {@inheritDoc}
-     *
-     * Enables accessibility service when shortcutPreference is checked.
-     */
-    @Override
-    protected void callOnAlertDialogCheckboxClicked(DialogInterface dialog, int which) {
-        super.callOnAlertDialogCheckboxClicked(dialog, which);
-
-        final boolean enabled = mShortcutPreference.isChecked();
-        AccessibilityUtils.setAccessibilityServiceState(getContext(), mComponentName, enabled);
-    }
 }