Remove go mod init from dockerize build in base-server.Dockerfile (#…

…2393)

Dockerize moved from using Glock to Go modules and introduced
 go.mod and go.sum files into the repository.
Therefore, the Go module initialization command has to be removed
 from the `base-server` Dockerfile as it breaks the build.

See: jwilder/dockerize@6f92b85

docker/base-images/base-server.Dockerfile

@@ -8,7 +8,6 @@ RUN apk add --update --no-cache \
 RUN mkdir -p /xsrc && \
     git clone https://github.com/jwilder/dockerize.git && \
     cd dockerize && \
-    go mod init github.com/jwilder/dockerize && \
     go mod tidy && \
     go build -o /usr/local/bin/dockerize . && \
     rm -rf /xsrc