ci: remove duplicate copies of go licenses

Dockerfile

@@ -10,12 +10,6 @@ RUN apk update && apk upgrade && apk add --no-cache git
 WORKDIR /rpc
 COPY . .
 
-# Install go-licenses
-RUN go install github.com/google/go-licenses@latest
-
-# Generate license files
-RUN go-licenses save ./... --include_tests --save_path=licensefiles
-
 # Build rpc
 RUN CGO_ENABLED=0 LDFLAGS="-s -w" GOOS=linux GOARCH=amd64 go build -o /build/rpc ./cmd/main.go
 
@@ -24,6 +18,7 @@ LABEL license='SPDX-License-Identifier: Apache-2.0' \
       copyright='Copyright (c) Intel Corporation 2021'
 
 COPY --from=builder /build/rpc /rpc
+#go-licenses will install when ./build.sh is executed
 COPY --from=builder /rpc/licensefiles /licensefiles
 
 ENTRYPOINT ["/rpc"]