fix link generation

@@ -22,9 +22,10 @@ coverage:dev:
   - >
     rsync -vaurl --delete tests/coverage/*/
     ci_upload@192.168.20.60:~/trbase/coverage_${CI_BUILD_ID}
+  - ssh ci_upload@192.168.20.60 rm -f trbase/coverage_latest
   - >
     ssh ci_upload@192.168.20.60
-    ln -sf coverage_${CI_BUILD_ID} trbase/coverage_latest
+    ln -s coverage_${CI_BUILD_ID} trbase/coverage_latest
 
 coverage:tag:
  stage: test
@@ -44,9 +45,10 @@ docs:
   - >
     rsync -vaurl --delete docs/api/*/html/
     ci_upload@192.168.20.60:~/trbase/api_${CI_BUILD_ID}
+  - ssh ci_upload@192.168.20.60 rm -f trbase/api_latest
   - >
     ssh ci_upload@192.168.20.60
-    ln -sf api_${CI_BUILD_ID} trbase/api_latest
+    ln -s api_${CI_BUILD_ID} trbase/api_latest
 
 dist:
  stage: deploy