refactor(CI): Remove the unnecessary doc configuration

Author: kunzaatko

.github/workflows/Documenter.yml

@@ -27,12 +27,6 @@ jobs:
         with:
           version: '1'
       - uses: julia-actions/cache@v2
-      - name: Configure doc environment
-        shell: julia --project=docs --color=yes {0}
-        run: |
-          using Pkg
-          Pkg.develop(PackageSpec(path=pwd()))
-          Pkg.instantiate()
       - uses: julia-actions/julia-buildpkg@v1
       - run: julia --project=docs docs/make.jl
         env: