Slimmed down image

.drone.yml

@@ -5,7 +5,9 @@ steps:
 - name: build
   image: python:2
   commands:
-  - apt-get -y update && apt-get -y install git python-pip cloc && pip install platformio
+  - apt-get -y update && apt-get -y install git && pip install platformio
   - pio run
-  - cloc --by-file --xml --out=.test/cloc.xml src
+- name: upload
+  image: python:2
+  commands:
   - make otaupload