Get rid of Mason

.github/workflows/osrm-backend.yml

@@ -90,7 +90,7 @@ jobs:
         npm ci --ignore-scripts
         wget https://github.com/muttleyxd/clang-tools-static-binaries/releases/download/master-208096c1/clang-format-10_linux-amd64 -O /usr/local/bin/clang-format-10.0.0
         sha512sum /usr/local/bin/clang-format-10.0.0
-        echo "CHECKSUM /usr/local/bin/clang-format-10.0.0" | sha512sum --check --status
+        echo "8c5c5499d53eb004c81027046098895ba019ff6d020c09f1d49f017d32e0430aaf04a3dcef949528c097d45f0fe1a2d92019a760077e2a347b1fe5f244e05e97  /usr/local/bin/clang-format-10.0.0" | sha512sum --check --status
         chmod +x /usr/local/bin/clang-format-10.0.0
         clang-format-10.0.0 --version
       #  sudo apt-get update -y && sudo apt-get install clang-format-10
@@ -571,6 +571,12 @@ jobs:
           echo "UBSAN_OPTIONS=symbolize=1:halt_on_error=1:print_stacktrace=1:suppressions=${GITHUB_WORKSPACE}/scripts/ci/undefinedsanitizer.conf" >> $GITHUB_ENV
         fi
 
+        if [[ "${RUNNER_OS}" == "Linux" ]]; then
+          echo "JOBS=$((`nproc` + 1))" >>  $GITHUB_ENV
+        elif [[ "${RUNNER_OS}" == "macOS" ]]; then
+          echo "JOBS=$((`sysctl -n hw.ncpu` + 1))" >>  $GITHUB_ENV
+        fi
+
     - name: Install dev dependencies
       run: |
         python3 -m pip install conan==1.51.3