cleanup

.github/workflows/ton-x86-64-linux.yml

@@ -20,14 +20,6 @@ jobs:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
-    - name: Install GCC-11
-      run: |
-        sudo apt install build-essential manpages-dev software-properties-common
-        sudo add-apt-repository ppa:ubuntu-toolchain-r/test
-        sudo apt update && sudo apt install gcc-11 g++-11
-        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 10
-        sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-11 10  
-
     - name: Build TON
       run: |
         cp assembly/nix/build-linux-x86-64-nix.sh .