build: fix shebang and remove prodtest from build-docker

.gitlab-ci.yml

@@ -14,7 +14,7 @@ build and push emulator image:
 build master:
   stage: build
   script:
-    - sh build-docker.sh HEAD local
+    - ./build-docker.sh HEAD local
   only:
     - master
   artifacts:

build-docker.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 if [ "$1" = "--gcc_source" ]; then
@@ -29,4 +29,4 @@ docker run -t -v $(pwd):/local -v $(pwd)/build-docker:/build:z --user="$(stat -c
 	ln -s /build build &&
 	git checkout $TAG && \
 	git submodule update --init --recursive && \
-	PRODUCTION=$PRODUCTION make clean vendor build_boardloader build_bootloader build_prodtest build_firmware"
+	PRODUCTION=$PRODUCTION make clean vendor build_boardloader build_bootloader build_firmware"