[INTERNAL] Dependabot: Do not ignore less updates

Less is actually no dependency anymore

Author: RandomByte

.github/dependabot.yml

@@ -11,20 +11,3 @@ updates:
   - matz3
   - tobiasso85
   versioning-strategy: increase
-  ignore:
-  - dependency-name: less
-    versions:
-    - "> 1.6.3"
-    - "< 2"
-  - dependency-name: less
-    versions:
-    - "< 1.7.6"
-    - ">= 1.7.5.a"
-  - dependency-name: less
-    versions:
-    - "< 3"
-    - ">= 2.a"
-  - dependency-name: less
-    versions:
-    - "< 4"
-    - ">= 3.a"