fix: syntax error/duplicate else statement

Author: joshjohanning

gh-cli/check-repository-admin.sh

@@ -73,11 +73,4 @@ if gh api --paginate "repos/$OWNER/$REPOSITORY/collaborators/$USERNAME" --silent
 else
     echo "✗ User '$USERNAME' is NOT a collaborator in '$OWNER/$REPOSITORY' or an error occurred"
     exit 1
-fi
-    fi
-    
-else
-    # User is not a collaborator or an error occurred
-    echo "✗ User '$USERNAME' is NOT a collaborator in '$OWNER/$REPOSITORY' or an error occurred"
-    exit 1
 fi