Stop using a 3rd-party prettier
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 8135066..c1da375 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -24,7 +24,5 @@
             - run: yarn install --immutable
             - name: Compile
               run: yarn build
-            - name: Run eslint
-              run: yarn lint
-            - name: Run prettier
-              uses: actionsx/prettier@v2
+            - name: Run prettier and eslint
+              run: yarn lint-ci