Dockerfile shouldn't include requirement of SQLFlow

[tonyyang-svail]

gohive is a standalone repo. Its Dockerfile shouldn't include the requirement of SQLFlow.

gohive/docker/Dockerfile

Lines 167 to 174 in 7240393

	RUN ls /miniconda/bin && /miniconda/bin/conda create -y -q -n sqlflow-dev python=3.6 && \
	echo ". /miniconda/etc/profile.d/conda.sh" >> ~/.bashrc && \
	echo "source activate sqlflow-dev" >> ~/.bashrc && \
	bash -c "source activate sqlflow-dev && python -m pip install \
	tensorflow==2.0.0-alpha0 \
	mysql-connector-python \
	impyla \
	jupyter"

If SQLFlow want to reuse this Dockerfile, please build from FROM sqlflow/gohive:dev.