clear_env does not work on PHP-5.3 unfortunately + fix some formatting issues

Dockerfile

@@ -287,8 +287,6 @@ RUN set -ex \
     echo '; if we send this to /proc/self/fd/1, it never appears'; \
     echo 'access.log = /proc/self/fd/2'; \
     echo; \
-    echo 'clear_env = no'; \
-		echo; \
     echo '; Ensure worker stdout and stderr are sent to the main error log.'; \
     echo 'catch_workers_output = yes'; \
   } | tee php-fpm.d/docker.conf \