Implemented landscape support for MapScreen

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

@@ -117,7 +117,6 @@
     <string name="map_elevation">උත්තෝලනය: %.1f°</string>
     <string name="map_latitude">අක්‍ෂාංශ: %.1f°</string>
     <string name="map_longitude">දේශාංශ: %.1f°</string>
-    <string name="map_qth">QTH Locator: %s</string>
     <string name="map_visible">දෘශ්‍ය</string>
     <string name="map_eclipsed">අදෘශ්‍ය</string>
     <string name="map_visibility">දෘශ්‍යතාව: %s</string>