[BUILD] Skip installing test related python packages (#5294)

triton-lang/triton#5292 failed because of macOS
build. Since we don’t run any tests on macOS anyway, it’s fine to simply
skip them.

Author: Jokeren

.github/workflows/integration-tests.yml

@@ -581,7 +581,7 @@ jobs:
           echo "PATH is '$PATH'"
           cd python
           ccache --zero-stats
-          python3 -m pip install -v --no-build-isolation .[tests]
+          python3 -m pip install -v --no-build-isolation .
       - name: CCache Stats
         run: ccache --print-stats
       - name: Inspect cache directories

.github/workflows/integration-tests.yml.in

@@ -493,7 +493,7 @@ jobs:
           echo "PATH is '$PATH'"
           cd python
           ccache --zero-stats
-          python3 -m pip install -v --no-build-isolation .[tests]
+          python3 -m pip install -v --no-build-isolation .
 
       - *print-ccache-stats
       - *inspect-cache-directories-step