PIPELINE: Reove unnessary git installation

.docker/Dockerfile

@@ -9,9 +9,6 @@ RUN if getent hosts indiscale.com > /dev/null; \
     else echo "No internet connection or DNS not available"; \
     fi
 
-RUN apt-get update && apt-get install -y \
-    git
-
 COPY . /git
 
 # Delete .git because it is huge.