No sudo in the linux conatiner

.github/workflows/linux.yml

@@ -129,13 +129,10 @@ jobs:
 
       - uses: actions/checkout@v2
 
-      - name: apt-get update
-        run: sudo apt-get update
-
       - name: Install extra compiler
         run: |
-          sudo apt-get update
-          sudo apt-get install -y ghc-${{ matrix.extra-ghc }}-dyn
+          apt-get update
+          apt-get install -y ghc-${{ matrix.extra-ghc }}-dyn
 
       - uses: haskell/actions/setup@v1
         id: setup-haskell