Don't install imagemagick

Author: cardil

Dockerfile

@@ -1,9 +1,6 @@
 FROM quay.io/wavesoftware/php7
 RUN apt-get update && apt-get install -y \
-    imagemagick \
     ffmpeg \
     libreoffice \
     --no-install-recommends \
     && rm -rf /var/lib/apt/lists/*
-RUN pecl install imagick-3.4.4
-RUN docker-php-ext-enable imagick