remove dvb-apps dependency

- Tvh ships now an own implementation

Dockerfile

@@ -38,7 +38,6 @@ RUN \
 	libxml2-dev \
 	libxslt-dev \
 	make \
-	mercurial \
 	openssl-dev \
 	opus-dev \
 	patch \
@@ -140,11 +139,6 @@ RUN \
  echo "**** install perl modules for xmltv ****" && \
  curl -L http://cpanmin.us | perl - App::cpanminus && \
  cpanm --installdeps /tmp/patches && \
- echo "**** build dvb-apps ****" && \
- hg clone http://linuxtv.org/hg/dvb-apps /tmp/dvb-apps && \
- cd /tmp/dvb-apps && \
- make -C lib && \
- make -C lib install && \
  echo "**** build tvheadend ****" && \
  git clone https://github.com/tvheadend/tvheadend.git /tmp/tvheadend && \
  cd /tmp/tvheadend && \