avl_aes_key_handling.md

@@ -3,12 +3,6 @@
 ```mermaid
 
 sequenceDiagram
-
-	participant Dev as "Device"
-        participant Dev_TCP as "Device TCP Session"
-        participant D2S_TCP as "D2Sphere TCP Session"
-        participant D2S_DB as "D2Sphere Database"
-        participant D2S_API as "D2SPhere REST API"
 	 
 	autonumber
 	... create D2Sphere TCP conncetion ...