Remove invalid entry in Dependabot config (#23)

Signed-off-by: Bradley Reynolds <[email protected]>

.github/dependabot.yaml

@@ -1,14 +1,5 @@
 version: 2
 updates:
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "monthly"
-    groups:
-      ci-dependencies:
-        patterns:
-          - "*"
-
   - package-ecosystem: "npm"
     directory: "/"
     schedule: