Don't build source maps

Author: mvdbeek

tasks/_inc_client_build_steps.yml

@@ -36,7 +36,6 @@
   environment:
     PATH: "{{ galaxy_server_dir }}/client/node_modules/.bin:{{ galaxy_venv_dir }}/bin:{{ ansible_env.PATH }}"
     VIRTUAL_ENV: "{{ galaxy_venv_dir }}"
-    GXY_BUILD_SOURCEMAPS: 1
     NODE_OPTIONS: --max_old_space_size=4096
 
 - name: Stage built client