Tools: completion: simplify bash completion for sim_vehicle.py

Tools/completion/bash/_sim_vehicle

@@ -64,7 +64,6 @@ _sim_vehicle() {
   -v | --vehicle)
     # get the calling program, remove anything after the space == all commands arguments
     local caller; caller=$(echo $@ | sed 's/ .*//g');
-    # get options between "vehicle type " and closing ")", remove line return, remove spaces, anything before the opening (, remove the "|" and closing ")"
     opts=$($caller --list-vehicle)
     COMPREPLY=($(compgen -W "${opts}" -- ${cur}))
     return 0
@@ -72,8 +71,7 @@ _sim_vehicle() {
   -f | --frame)
     # get the calling program, remove anything after the space == all commands arguments
     local caller; caller=$(echo $@ | sed 's/ .*//g');
-    # Get everything between "frame type" and "-C", remove first and last line, get line starting with caracters and ": " sequence, remove spaces and :
-    local supported_vehicle_list=$($caller --help | sed -n '/frame type/,/-C/p' | sed -e '1d' -e '$d' | sed  -n 's/\(.*: \).*/\1/p' | sed -e 's/ //g' -e 's/://g')
+    local supported_vehicle_list=$($caller --list-vehicle)
     local frames;
     for v in $supported_vehicle_list
     do