chore: restore team repositories and delete teams with no members

Author: galargh

github/libp2p/team.json

@@ -4,31 +4,11 @@
     "parent_team_id": null,
     "privacy": "closed"
   },
-  "Devgrant editors": {
-    "id": "3356302",
-    "parent_team_id": null,
-    "privacy": "closed"
-  },
-  "Observation UI": {
-    "id": "3891830",
-    "parent_team_id": null,
-    "privacy": "closed"
-  },
-  "Repos - C#": {
-    "id": "2223530",
-    "parent_team_id": null,
-    "privacy": "closed"
-  },
   "Repos - Go": {
     "id": "2100801",
     "parent_team_id": null,
     "privacy": "closed"
   },
-  "Repos - Haskell": {
-    "id": "2570766",
-    "parent_team_id": null,
-    "privacy": "closed"
-  },
   "Repos - Java": {
     "id": "2976895",
     "parent_team_id": null,
@@ -39,11 +19,6 @@
     "parent_team_id": null,
     "privacy": "closed"
   },
-  "Repos - Python": {
-    "id": "2976894",
-    "parent_team_id": null,
-    "privacy": "closed"
-  },
   "Repos - Rust": {
     "id": "2457482",
     "parent_team_id": null,