remove old workflow

.github/workflows/build.yml

@@ -1,33 +0,0 @@
-name: 'Build and Test Hub'
-
-on:
-  push:
-    branches:
-      - master
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-go@v2.1.3
-        with:
-          go-version: 1.17.1
-      - run: |
-          sudo apt update && \
-          sudo apt upgrade && \
-          sudo apt-get install autoconf automake libtool curl make g++ unzip && \
-          cd /tmp && \
-          wget https://github.com/protocolbuffers/protobuf/releases/download/v3.17.1/protobuf-all-3.17.1.tar.gz && \
-          tar xfzv protobuf-all-3.17.1.tar.gz && \
-          cd protobuf-3.17.1 && \
-          ./autogen.sh && \
-          ./configure && \
-          make && \
-          sudo make install && \
-          sudo ldconfig && \
-          cd
-      - run: pip install grpcio grpcio-tools github3.py
-      - run: go get github.com/golang/protobuf/protoc-gen-go google.golang.org/grpc/cmd/protoc-gen-go-grpc
-      - run: go build .
-      - run: ./protobuf/build.sh
-      - run: go test -v -race ./...