remove agent_config sample configuration (#5366) (#5367)

Since this is predominantly existing for use by
elastic-agent/fleet, exposing this as manual
configuration in the .yml file is not necessary.

(cherry picked from commit 39b703c)

Co-authored-by: stuart nelson <[email protected]>

_meta/beat.yml

@@ -273,28 +273,6 @@ apm-server:
       #index_pattern: "apm-*-sourcemap*"
 
   #---------------------------- APM Server - Agent Configuration ----------------------------
-  # Directly specify agent configuration. If `agent_config` is set, agent
-  # configuration under `kibana` will be ignored.
-  # An agent's incoming configuration request will be matched to an
-  # agent_config with the following precedence:
-  # - service.name and service.environment match an agent_config
-  # - service.name matches an agent_config, service.environment == ""
-  # - service.environment matches an agent_config, service.name == ""
-  # - an agent_config without a name or environment set
-  # An empty result is is returned if no matching result is found.
-  # agent_config:
-  # - service.name: ten_percent
-  #   service.environment: production
-  #   config:
-  #     capture_body: off
-  #     capture_body: true
-  #     log_level: info
-  #     recording: true
-  #     transaction_sample_rate: 0.1
-  # - service.name: frontend
-  #   agent.name: rum-js
-  #   config:
-  #     transaction_sample_rate: 0.1
 
   # When using APM agent configuration, information fetched from Kibana will be cached in memory for some time.
   # Specify cache key expiration via this setting. Default is 30 seconds.

apm-server.docker.yml

@@ -273,28 +273,6 @@ apm-server:
       #index_pattern: "apm-*-sourcemap*"
 
   #---------------------------- APM Server - Agent Configuration ----------------------------
-  # Directly specify agent configuration. If `agent_config` is set, agent
-  # configuration under `kibana` will be ignored.
-  # An agent's incoming configuration request will be matched to an
-  # agent_config with the following precedence:
-  # - service.name and service.environment match an agent_config
-  # - service.name matches an agent_config, service.environment == ""
-  # - service.environment matches an agent_config, service.name == ""
-  # - an agent_config without a name or environment set
-  # An empty result is is returned if no matching result is found.
-  # agent_config:
-  # - service.name: ten_percent
-  #   service.environment: production
-  #   config:
-  #     capture_body: off
-  #     capture_body: true
-  #     log_level: info
-  #     recording: true
-  #     transaction_sample_rate: 0.1
-  # - service.name: frontend
-  #   agent.name: rum-js
-  #   config:
-  #     transaction_sample_rate: 0.1
 
   # When using APM agent configuration, information fetched from Kibana will be cached in memory for some time.
   # Specify cache key expiration via this setting. Default is 30 seconds.

apm-server.yml

@@ -273,28 +273,6 @@ apm-server:
       #index_pattern: "apm-*-sourcemap*"
 
   #---------------------------- APM Server - Agent Configuration ----------------------------
-  # Directly specify agent configuration. If `agent_config` is set, agent
-  # configuration under `kibana` will be ignored.
-  # An agent's incoming configuration request will be matched to an
-  # agent_config with the following precedence:
-  # - service.name and service.environment match an agent_config
-  # - service.name matches an agent_config, service.environment == ""
-  # - service.environment matches an agent_config, service.name == ""
-  # - an agent_config without a name or environment set
-  # An empty result is is returned if no matching result is found.
-  # agent_config:
-  # - service.name: ten_percent
-  #   service.environment: production
-  #   config:
-  #     capture_body: off
-  #     capture_body: true
-  #     log_level: info
-  #     recording: true
-  #     transaction_sample_rate: 0.1
-  # - service.name: frontend
-  #   agent.name: rum-js
-  #   config:
-  #     transaction_sample_rate: 0.1
 
   # When using APM agent configuration, information fetched from Kibana will be cached in memory for some time.
   # Specify cache key expiration via this setting. Default is 30 seconds.