Move go bin inclusion to .bashrc

bionic/x86_64/Dockerfile

@@ -27,7 +27,7 @@ RUN groupadd -g 1000 build \
  && echo 'Defaults:build !requiretty' | tee -a /etc/sudoers \
  && echo 'build ALL=(ALL:ALL) NOPASSWD: ALL' | tee -a /etc/sudoers \
  && chown build.build /usr/local/bin \
- && echo 'PATH=$PATH:/usr/lib/go-1.11/bin' >> /etc/profile
+ && echo 'PATH=$PATH:/usr/lib/go-1.11/bin' >> /home/build/.bashrc
 
 USER build
 RUN git clone https://git.icinga.com/build-docker/scripts.git /usr/local/bin