try to fix cirrus build by using system pip

Author: electronstudio

.cirrus.yml

@@ -137,7 +137,6 @@ mac_task:
     - sudo cp -r raylib-c/src/external/glfw/include/GLFW /usr/local/include/
     - sudo cp physac/src/physac.h /usr/local/include/
     - sudo cp raygui/src/raygui.h /usr/local/include/
-    - /opt/homebrew/bin/python${PY_VER} -m pip install --break-system-packages --upgrade pip
     - /opt/homebrew/bin/python${PY_VER} -m pip install --break-system-packages cffi
     - /opt/homebrew/bin/python${PY_VER} -m pip install --break-system-packages setuptools
     - /opt/homebrew/bin/python${PY_VER} -m pip install --break-system-packages wheel