Update component ownership

Change-Id: If79b6da665818d7023bbf9a3b679ab24085078e6

Author: jherbel

component_owners/agent_controller_and_receiver/OWNERS_DEFINITION

@@ -1,6 +1,5 @@
 andreas.umbreit@checkmk.com  # component lead
 
-joerg.herbel@checkmk.com
 sergey.kipnis@checkmk.com
 
 # Find information about code-owners (+ find-owners syntax) here:

component_owners/distributed_monitoring_liveproxyd/OWNERS_DEFINITION

@@ -1,7 +1,6 @@
 ramadan.khalifa@checkmk.com  # component lead
 
 andreas.boesl@checkmk.com
-joerg.herbel@checkmk.com
 
 # Find information about code-owners (+ find-owners syntax) here:
 #  - https://android-review.googlesource.com/plugins/code-owners/Documentation/backend-find-owners-cookbook.html