Revert "Add git, make, and curl to docker image"

This reverts commit 02a2c9cd429b26ff44fabb97d3649e791b9edea4

Signed-off-by: Jakob Ackermann <das7pad@outlook.com>

services/git-bridge/Dockerfile

@@ -2,8 +2,6 @@
 
 FROM maven:3-jdk-8
 
-RUN apt-get update && apt-get install -y make git curl
-
 WORKDIR /app
 
 COPY . /app