[generator] Fix GENARGS in docker_maps_generator.sh

Signed-off-by: Konstantin Pastbin <konstantin.pastbin@gmail.com>

tools/unix/maps/docker_maps_generator.sh

@@ -31,22 +31,22 @@ python3 -m venv /tmp/venv
 echo "<$(date +%T)> Copying map generator INI..."
 cp var/etc/map_generator.ini.prod var/etc/map_generator.ini
 
-$GENARGS=""
+GENARGS=""
 
 if [ $MWMTEST -gt 0 ]; then
     echo "Marking as a test (non-prod) generation"
     # TODO: output test maps into e.g. osm-maps-test/ and use a different generation.log
-    $GENARGS="$GENARGS -s=test"
+    GENARGS="$GENARGS -s=test"
 fi
 
 if [ $MWMCONTINUE -gt 0 ]; then
     echo "Continuing from preexisting generator run"
-    $GENARGS="$GENARGS --continue"
+    GENARGS="$GENARGS --continue"
 fi
 
 if [[ -n $MWMCOUNTRIES ]]; then
     echo "Generating only specific maps for [$MWMCOUNTRIES]"
-    $GENARGS="$GENARGS --countries=$MWMCOUNTRIES"
+    GENARGS="$GENARGS --countries=$MWMCOUNTRIES"
 fi
 
 cd ~/comaps/tools/python