docker-compose examples: Remove affinities.

With the dependency filter, affinities are no longer required.

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

script/demo/nsq/docker-compose.yml

@@ -9,8 +9,6 @@ nsqd:
   ports:
     - "4150"
     - "4151"
-  environment:
-   - affinity:container==*nsqlookupd*
   links:
     - nsqlookupd:nsqlookupd
   command: -lookupd-tcp-address=nsqlookupd:4160
@@ -19,8 +17,6 @@ nsqadmin:
   image: nsqio/nsqadmin
   ports:
     - "4171:4171"
-  environment:
-   - affinity:container==*nsqlookupd*
   links:
     - nsqlookupd:nsqlookupd
-  command: -lookupd-http-address=nsqlookupd:4161
+  command: -lookupd-http-address=nsqlookupd:4161

script/demo/redmon/docker-compose.yml

@@ -3,10 +3,8 @@ redis:
 
 redmon:
  image: vieux/redmon
- environment:
-  - affinity:container==*redis*
  links:
   - redis:redis
  ports:
   - "4567:4567"
- command: -r redis://redis:6379
+ command: -r redis://redis:6379