chore: Remove extra period

Author: barbeau

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

@@ -195,7 +195,7 @@
         <b>Improved SBAS</b>
         - Add more satellites for SNAS (China) and SDCM (Russia).\n&#8226;\u0020
         <b>Add Persian translation</b>
-        - Thanks Iman (imni)!.\n&#8226;\u0020
+        - Thanks Iman (imni)!\n&#8226;\u0020
         <b>Add date to Status</b>
         - For landscape view and very wide screens.\n&#8226;\u0020
         <b>Bug fixes</b>