Disable links checking (#670)

## Which problem is this PR solving?
- Link checking currently fails, will open another issue to look into
it.

## Description of the changes
- Only do a build, don't check links

Signed-off-by: Yuri Shkuro <github@ysh.us>

.github/workflows/ci-test.yml

@@ -26,6 +26,6 @@ jobs:
         sudo mv hugo /usr/local/bin
         hugo version
 
-    - name: Build and test links
+    - name: Build
       run: |
-        make check-internal-links
+        make build