Minor cleanup of security context class
Minor cleanup of security context class

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