Remove part:collections label from keylabeler and labeler config

Now that the module has been removed, we don't need to label it anymore.

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

.github/keylabeler.yml

@@ -13,7 +13,6 @@ caseSensitive: true
 # Explicit keyword mappings to labels. Form of match:label. Required.
 labelMappings:
   "part:asyncio": "part:asyncio"
-  "part:collections": "part:collections"
   "part:datetime": "part:datetime"
   "part:docs": "part:docs"
   "part:math": "part:math"

.github/labeler.yml

@@ -39,14 +39,6 @@
       - "tests/test_asyncio.py"
       - "tests/asyncio/**"
 
-"part:collections":
-  - changed-files:
-    - any-glob-to-any-file:
-      - "src/frequenz/core/collections.py"
-      - "src/frequenz/core/collections/**"
-      - "tests/test_collections.py"
-      - "tests/collections/**"
-
 "part:datetime":
   - changed-files:
     - any-glob-to-any-file: