Update resolvconf.yml

.github/workflows/resolvconf.yml

@@ -7,20 +7,10 @@ jobs:
   Building:
     name: "Build on Ubuntu"
     runs-on: ubuntu-latest
-    container: docker.io/centos:7
     steps:
-    - uses: actions/checkout@v2
-
-    - name: Install dependencies
-      run: |
-        yum -y install wget gcc bison make centos-release-scl
-        yum -y install devtoolset-8-gcc
-        yum -y install devtoolset-8-gcc-c++
-        yum -y install devtoolset-8-binutils
-        mkdir -p /opt/release/
-
     - name: Build resolvconf v3.12.0
       run: |
+        mkdir -p /opt/release/
         wget https://github.com/rsmarples/openresolv/archive/openresolv-3.12.0.tar.gz
         tar xzvf openresolv-3.12.0.tar.gz
         cd openresolv-openresolv-3.12.0