chore: add task to remove images on remote

.vscode/tasks.json

@@ -86,6 +86,13 @@
       "problemMatcher": [],
       "detail": "run podman rm $args on remote"
     },
+    {
+      "label": "GitOps: Remove workspace image",
+      "type": "shell",
+      "command": ".bin/gitops remove ${input:images}",
+      "problemMatcher": [],
+      "detail": "run podman rmi $args on remote"
+    },
     {
       "label": "Cleanup worktree",
       "type": "shell",
@@ -101,6 +108,12 @@
       "description": "Pick a container",
       "options": ["pallav", "palak", "param", "darshan"],
       "default": "pallav"
+    },
+    {
+      "id": "images",
+      "type": "promptString",
+      "description": "space separated list of images",
+      "default": ""
     }
   ]
 }