Remove GitHub workflows

This change removes the GitHub workflows dir, as the project has moved
to OpenDev and no longer uses GitHub CI.

Change-Id: I63832ce3ecdedc515ea7b54e9cf5da9c97376d34

.github/workflows/docker-build.yaml

@@ -1,18 +0,0 @@
-name: Build Docker Image
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Build Docker image
-      run: make docker-build

.github/workflows/test.yaml

@@ -1,44 +0,0 @@
-name: Go
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-    steps:
-
-    - name: Set up Go 1.x
-      uses: actions/setup-go@v2
-      with:
-        go-version: ^1.13
-
-    - name: Check out code into the Go module directory
-      uses: actions/checkout@v2
-
-    - name: Get dependencies
-      run: |
-        go get -v -t -d ./...
-        if [ -f Gopkg.toml ]; then
-            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
-            dep ensure
-        fi
-
-    - name: Install Kubebuilder
-      run: |
-        os=$(go env GOOS)
-        arch=$(go env GOARCH)
-        curl -L https://go.kubebuilder.io/dl/2.3.1/${os}/${arch} | tar -xz -C /tmp/
-        sudo mv /tmp/kubebuilder_2.3.1_${os}_${arch} /usr/local/kubebuilder
-        export PATH=$PATH:/usr/local/kubebuilder/bin
-
-    - name: Lint
-      run: make lint
-
-    - name: Test
-      run: make test