Removed composer and yarn for php5.5

Author: susonwaiba

php5.5/cli/Dockerfile

@@ -20,9 +20,6 @@ ENV NODE_VERSION ${NODE_VERSION}
 RUN curl -sL https://deb.nodesource.com/setup_${NODE_VERSION} | bash -
 RUN apt-get -y install nodejs
 
-# Installing yarn using npm
-RUN npm install --global yarn
-
 # Installing extensions
 RUN curl -L https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions \
     -o /usr/local/bin/install-php-extensions && chmod +x /usr/local/bin/install-php-extensions

php5.5/fpm/Dockerfile

@@ -28,8 +28,7 @@ RUN install-php-extensions \
 	opcache \
 	gd \
 	imagick \
-	apcu \
-	@composer
+	apcu
 
 # Installing other extensions but enabled dynamically
 RUN REDIS_DONT_ENABLE=0 install-php-extensions redis