CI-unixish.yml: removed duplicated execution of integration test

already executed by `make test`

Author: firewave

.github/workflows/CI-unixish.yml

@@ -51,10 +51,6 @@ jobs:
       run: |
         make -j$(nproc) selfcheck
 
-    - name: integration test
-      run: |
-        python3 -m pytest integration_test.py -vv
-
     - name: Run CMake
       run: |
         cmake -S . -B cmake.output