test(ci): Remove redundant semver checks

Author: Pr0methean

.github/workflows/ci.yaml

@@ -67,7 +67,6 @@ jobs:
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
     strategy:
       matrix:
-        rustalias: [stable, nightly, msrv]
         feature_group: ["all-features", "default-features", "only-explicit-features"]
     name: 'Semver checks: ${{ matrix.feature_group }}'
     runs-on: ubuntu-latest