op: simplify service restart (#34551)

tools/op.sh

@@ -345,7 +345,7 @@ function op_switch() {
 function op_start() {
   if [[ -f "/AGNOS" ]]; then
     op_before_cmd
-    op_run_command sudo systemctl start comma $@
+    op_run_command sudo systemctl restart comma $@
   fi
 }
 
@@ -356,13 +356,6 @@ function op_stop() {
   fi
 }
 
-function op_restart() {
-  if [[ -f "/AGNOS" ]]; then
-    op_before_cmd
-    op_run_command sudo systemctl restart comma $@
-  fi
-}
-
 function op_default() {
   echo "An openpilot helper"
   echo ""
@@ -386,9 +379,8 @@ function op_default() {
   echo -e "  ${BOLD}build${NC}        Run the openpilot build system in the current working directory"
   echo -e "  ${BOLD}install${NC}      Install the 'op' tool system wide"
   echo -e "  ${BOLD}switch${NC}       Switch to a different git branch with a clean slate (nukes any changes)"
-  echo -e "  ${BOLD}start${NC}        Starts openpilot"
+  echo -e "  ${BOLD}start${NC}        Starts (or restarts) openpilot"
   echo -e "  ${BOLD}stop${NC}         Stops openpilot"
-  echo -e "  ${BOLD}restart${NC}      Restarts openpilot"
   echo ""
   echo -e "${BOLD}${UNDERLINE}Commands [Tooling]:${NC}"
   echo -e "  ${BOLD}juggle${NC}       Run PlotJuggler"