Remove the metric_collector configuration

This isn't working at all and is going to be reworked to fit with the
new alarm model.
diff --git a/rabbitmq/meta/heka.yml b/rabbitmq/meta/heka.yml
index a4b6849..b5bbc5e 100644
--- a/rabbitmq/meta/heka.yml
+++ b/rabbitmq/meta/heka.yml
@@ -17,33 +17,3 @@
       engine: regex
       delimiter: '\n\n(=[^=]+====)'
       delimiter_eol: false
-metric_collector:
-  filter:
-    rabbitmq_service_status:
-      engine: sandbox
-      module_file: /usr/share/lma_collector/filters/afd.lua
-      module_dir: /usr/share/lma_collector_modules;/usr/share/heka/lua_modules
-      preserve_data: false
-      message_matcher: "(Type == 'metric' || Type == 'heka.sandbox.metric') && (Fields[name] == 'rabbitmq_check')"
-      ticker_interval: 10
-      config:
-        afd_type: 'service'
-        afd_file: 'lma_alarms_rabbitmq_service_check'
-        afd_cluster_name: 'rabbitmq-service'
-        afd_logical_name: 'check'
-        activate_alerting: true
-        enable_notification: false
-    rabbitmq_cluster_disk:
-      engine: sandbox
-      module_file: /usr/share/lma_collector/filters/afd.lua
-      module_dir: /usr/share/lma_collector_modules;/usr/share/heka/lua_modules
-      preserve_data: false
-      message_matcher: "(Type == 'metric' || Type == 'heka.sandbox.metric') && (Fields[name] == 'rabbitmq_remaining_disk')"
-      ticker_interval: 10
-      config:
-        afd_type: 'service'
-        afd_file: 'lma_alarms_rabbitmq_cluster_disk'
-        afd_cluster_name: 'rabbitmq-cluster'
-        afd_logical_name: 'disk'
-        activate_alerting: true
-        enable_notification: false