remove accidentally committed file

gx-workspace-update.json

-{
-  "Roots": [
-    "go-libp2p-peerstore"
-  ],
-  "Changes": {
-    "go-libp2p-blankhost": "QmRnhiaEvPudycDwCyhUAdBG3BeEsDthpETfuoqtp6d3v3",
-    "go-libp2p-circuit": "QmNZiqFqfCWy8msGnusuXNNjhPPjbPhepep1NcsuPkGxxU",
-    "go-libp2p-host": "QmPxkGrZhXcWcFT83mc1LDW8tsV8A8rhyAqrFnpELcpbiK",
-    "go-libp2p-interface-connmgr": "QmUckHJYxtxnx79bqFAEAR5nYLse3ZcmkVwFnVQRszgyze",
-    "go-libp2p-metrics": "QmbvfzKibhohkmL1HJvJbffrzUMif7zpaLFoWDGSjG5XD8",
-    "go-libp2p-net": "QmbTpFnyfsBmf3oRRgHV82FeDr8qe35538EckQvAJyZ9kp",
-    "go-libp2p-netutil": "QmWSHjgfJE2G3ZGrKVUUL32xbyjUVMmE5jBCe4ZSADs74u",
-    "go-libp2p-peerstore": "QmVtSjo2ayN2aQXAFCuhwWfi7pKu4UioXch2amqnKGVXtS",
-    "go-libp2p-swarm": "QmXvePrbKguom8KbQdXGJhRbDio1BcHLxMLRga1vzjz19k"
-  },
-  "Todo": [],
-  "Current": "",
-  "Done": [
-    "go-libp2p-net",
-    "go-libp2p-metrics",
-    "go-libp2p-interface-connmgr",
-    "go-libp2p-host",
-    "go-libp2p-swarm",
-    "go-libp2p-netutil",
-    "go-libp2p-blankhost",
-    "go-libp2p-circuit",
-    "go-libp2p"
-  ],
-  "Skipped": [],
-  "GoPath": "/home/steb/.gx/update-68613z",
-  "Branch": "gx/update-68613z",
-  "PullRequests": null
-}
\ No newline at end of file