remove unnecessary git fetch command from ci

.woodpecker/docs.yml

@@ -39,9 +39,6 @@ steps:
   - name: build
     image: quay.io/thegeeklab/hugo:0.115.2
     commands:
-      # Fetch is used to get the full git history.
-      # Required for Hugos git metadata integration.
-      - git fetch --depth=2147483647
       - hugo --panicOnWarning
 
   - name: beautify