Remove messages when running STIG

src/freedombone-tests

     shift
 done
 
-echo $'Running tests'
+if [ ! $RUN_STIG ]; then
+    echo $'Running tests'
+fi
 
 test_app_functions
 test_unique_onion_ports
 test_stig
 
-echo $'All tests passed'
+if [ ! $RUN_STIG ]; then
+    echo $'All tests passed'
+fi
 
 exit 0