Merge branch 'macos_ci_fixes' into 'master'

Remove no longer needed brew commands

See merge request !5

.ci/macos/Brewfile

-tap "nlohmann/json"
-
-brew "pkg-config"
-brew "cmake"
-brew "ninja"
-brew "openssl"
-brew "nlohmann_json"

.gitlab-ci.yml

@@ -141,9 +141,6 @@ build-macos:
   tags: [macos]
   needs: []
   before_script:
-    - brew update
-    - brew reinstall --force python3
-    - brew bundle --file=./.ci/macos/Brewfile --force --cleanup
     - rm -rf ../.hunter && mv .hunter ../.hunter || true
   script:
     - export PATH=/usr/local/opt/qt/bin/:${PATH}