converted debug message to regular progress output

- as I've never encountered any "removed app" reported, this "echo"
  remained forgotten
- as it might still be of interest, I didn't remove it but replaced
  it by a "level 4" (informational) progress info (`doProgress()`)

Author: IzzySoft

adebar-cli

@@ -303,7 +303,7 @@ initAppLists() {
       in_array "${app##*:}" ${sysApps[@]} && continue
       in_array "${app##*:}" ${userApps[@]} && continue
       dApps+=($app)
-      echo "Found removed app entry: ${app##*:}"
+      doProgress "  + ${app##*:}" 4
     fi
   done
 }