ci: remove ccache

ccache did take too long to install on MacOS

.github/workflows/tests.yml

@@ -66,16 +66,9 @@ jobs:
             ~/AppData/Local/nvim/pack/nvim-treesitter/start/nvim-treesitter/parser/
           key: ${{ matrix.os }}-${{ matrix.cc }}-parsers-v1-${{ hashFiles('./lockfile.json', './lua/nvim-treesitter/parsers.lua', './lua/nvim-treesitter/install.lua', './lua/nvim-treesitter/shell_selectors.lua') }}
 
-      - name: ccache
-        if: matrix.os != 'windows-2022'
-        uses: hendrikmuhs/ccache-action@v1
-        with:
-          key: ${{ matrix.os }}-${{ matrix.cc }}
-
       - name: Compile parsers Unix like
         if: ${{ matrix.os != 'windows-latest' && steps.parsers-cache.outputs.cache-hit != 'true' }}
         run: |
-          export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
           nvim --headless -c "TSInstallSync all" -c "q"
 
       - name: Tests