Removes Dockerfile

I'm not sure what this Dockerfile was doing here, but it's not supposed to be here

Dockerfile

@@ -1,20 +0,0 @@
-# Use the official Ubuntu 16.04 as a parent image.
-FROM ubuntu:16.04
-
-# Update the package list and install software properties common.
-RUN apt-get update && apt-get install -y software-properties-common autoconf automake build-essential git libtool \
-libgmp-dev libsqlite3-dev python python3 net-tools zlib1g-dev vim wget curl iputils-ping
-
-# Install pip
-RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
-RUN python3 get-pip.py
-
-# Add pisa files
-ADD pisa /root/pisa_btc
-WORKDIR /root/pisa_btc
-
-# Export pythonpath
-RUN echo export PYTHONPATH="$PYTHONPATH:/root/pisa_btc/" >> /root/.bashrc
-
-# Install dependencies
-RUN pip3 install -r requirements.txt