hours/minutes: correct plural for english, rest will be added by Transifex

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

app/src/main/res/values/strings.xml

@@ -119,19 +119,11 @@
     <string name="prefs_two_way_sync_interval">Interval</string>
 
     <plurals name="hours">
-        <item quantity="zero">%d hours</item>
         <item quantity="one">%d hour</item>
-        <item quantity="two">%d hours</item>
-        <item quantity="few">%d hours</item>
-        <item quantity="many">%d hours</item>
         <item quantity="other">%d hours</item>
     </plurals>
     <plurals name="minutes">
-        <item quantity="zero">%d minutes</item>
         <item quantity="one">%d minute</item>
-        <item quantity="two">%d minutes</item>
-        <item quantity="few">%d minutes</item>
-        <item quantity="many">%d minutes</item>
         <item quantity="other">%d minutes</item>
     </plurals>