Remove cargo test since there aren't any

Author: unsecretised

.github/workflows/ci.yml

@@ -56,5 +56,5 @@ jobs:
       - name: cargo clippy
         run: cargo clippy --all-targets
 
-      - name: cargo test
-        run: cargo test --all-targets
+#       - name: cargo test
+#         run: cargo test --all-targets