ci(lint): stop linting with nightly

.github/workflows/ci.yml

@@ -34,22 +34,11 @@ jobs:
           toolchain: stable
           components: clippy, rustfmt
 
-      - name: Set up nightly Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: nightly
-          components: clippy, rustfmt
-
       - name: Lint files
         run: |
           make lint
           make lint-web
 
-      - name: Lint files (Rust nightly)
-        continue-on-error: true
-        run: |
-          make lint-nightly
-
   sanitize:
     uses: ./.github/workflows/sanitize.yml