Minor gps103 protocol cleanup
Minor gps103 protocol cleanup

jon-stumpf/traccar,duke2906/traccar,renaudallard/traccar,jssenyange/traccar,jssenyange/traccar,5of9/traccar,AnshulJain1985/Roadcast-Tracker,vipien/traccar,al3x1s/traccar,jon-stumpf/traccar,stalien/traccar_test,orcoliver/traccar,renaudallard/traccar,tananaev/traccar,al3x1s/traccar,jssenyange/traccar,joseant/traccar-1,tsmgeek/traccar,stalien/traccar_test,tsmgeek/traccar,ninioe/traccar,5of9/traccar,tsmgeek/traccar,ninioe/traccar,jon-stumpf/traccar,AnshulJain1985/Roadcast-Tracker,orcoliver/traccar,ninioe/traccar,joseant/traccar-1,tananaev/traccar,tananaev/traccar,duke2906/traccar,orcoliver/traccar,vipien/traccar