remove 'request a unit' option

Author: physphil

app/src/main/java/com/physphil/android/unitconverterultimate/settings/PreferencesFragment.java

@@ -54,15 +54,6 @@ public void onCreate(Bundle savedInstanceState) {
         addPreferencesFromResource(R.xml.preferences);
 
         // Add listeners to preferences
-        Preference unitRequest = findPreference("unit_request");
-        unitRequest.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
-            @Override
-            public boolean onPreferenceClick(Preference preference) {
-                requestUnit();
-                return true;
-            }
-        });
-
         Preference rateApp = findPreference("rate_app");
         rateApp.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
             @Override

app/src/main/res/xml/preferences.xml

@@ -75,11 +75,6 @@
             android:title="@string/prefs_title_acknowledgements"
             android:summary="@string/prefs_summary_acknowledgements"/>
 
-        <Preference
-            android:key="unit_request"
-            android:title="@string/prefs_title_unit_request"
-            android:summary="@string/prefs_summary_unit_request"/>
-
         <Preference
             android:key="rate_app"
             android:title="@string/prefs_title_rate"