chore: remove unused files

Dockerfiles/common.Dockerfile

@@ -0,0 +1,36 @@
+FROM ubuntu:20.04 as base
+
+ARG DEBIAN_FRONTEND=noninteractive
+ENV TZ=Europe/Lisbon
+
+RUN apt-get update
+
+RUN apt-get install -y -q curl \
+                          sudo \
+                          git \
+                          python2-minimal \
+                          build-essential \
+                          libpq-dev \
+                          net-tools
+
+RUN curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -
+RUN apt-get install nodejs -y -q
+
+FROM base as build-l-s
+
+WORKDIR /app
+
+COPY bin/ packages/lamassu-server/bin
+COPY lib/ packages/lamassu-server/lib
+COPY data/ packages/lamassu-server/data
+COPY tools/ packages/lamassu-server/tools
+COPY migrations/ packages/lamassu-server/migrations
+COPY package.json packages/lamassu-server/package.json
+COPY Lamassu_CA.pem packages/lamassu-server/Lamassu_CA.pem
+
+WORKDIR /app/packages/lamassu-server
+
+RUN chmod +x tools/build-docker-certs.sh
+RUN chmod +x bin/lamassu-server-entrypoint.sh
+
+RUN npm install