Revert "Populate extra_hosts with all available in pillar hosts records by default"

This reverts commit 5107cbe3097a714a29606cf7f882fd2a56fb0d1c.

Change-Id: Ie3d8380bb4a9fb8c917b09339b6230d43e224b60
diff --git a/docker/files/docker-compose.yml b/docker/files/docker-compose.yml
index df1487c..1e54db2 100644
--- a/docker/files/docker-compose.yml
+++ b/docker/files/docker-compose.yml
@@ -5,53 +5,44 @@
   {{ compose.config|yaml(False)|indent(2) }}
 {%- endif %}
 
-{%- set default_extra_hosts_list = [] %}
-{%- for name, host in pillar.get('linux', {}).get('network', {}).get('host', {}).iteritems() %}
-  {%- for hostname in host.names %}
-    {%- do default_extra_hosts_list.append(hostname + ":" + host.address) %}
-  {%- endfor %}
-{%- endfor %}
-
 services:
-{%- for name, srv in service.iteritems() %}
-  {%- set service_extra_hosts_list = srv.get('extra_hosts', []) %}
-  {%- do srv.update({'extra_hosts': (default_extra_hosts_list + service_extra_hosts_list)|unique|sort}) %}
+  {%- for name, srv in service.iteritems() %}
+  {%- set env_file_set = False %}
   {{ name }}:
     logging:
       driver: journald
       options:
         tag: {% raw %}'docker.{{.Name}}'{% endraw %}
+    {%- if 'env_file' in srv.keys() %}{%- set env_file_set = True %}{%- endif %}
     {{ srv|yaml(False)|indent(4) }}
-  {%- set env_file_set = False %}
-  {%- if 'env_file' in srv.keys() %}{%- set env_file_set = True %}{%- endif %}
-  {%- if not env_file_set and compose.environment is defined %}
+    {%- if not env_file_set and compose.environment is defined %}
     env_file: .env
-  {%- endif %}
-{%- endfor %}
+    {%- endif %}
+  {%- endfor %}
 
 {%- if volume|default({}) %}
 volumes:
-  {%- for key, value in volume.iteritems() %}
-    {%- if value is mapping %}
+{%- for key, value in volume.iteritems() %}
+  {%- if value is mapping %}
   {{ key }}:
     {{ value|yaml(False)|indent(4) }}
-    {%- else %}
+  {%- else %}
   {{ key }}:
-    {%- endif %}
-  {%- endfor %}
+  {%- endif %}
+{%- endfor %}
 {%- endif %}
 
 
 {%- if network|default({}) %}
 networks:
-  {%- for key, value in network.iteritems() %}
-    {%- if value is mapping %}
+{%- for key, value in network.iteritems() %}
+  {%- if value is mapping %}
   {{ key }}:
     {{ value|yaml(False)|indent(4) }}
-    {%- else %}
+  {%- else %}
   {{ key }}:
-    {%- endif %}
-  {%- endfor %}
+  {%- endif %}
+{%- endfor %}
 {%- endif %}
 
 {#-