Revert "asterisk: Add config option for controlling dect cmbs logging to file"

This reverts commit f72006bc.
Configuration option has been moved to dectmngr uci config file.

net/asterisk/files/iopsys/etc/config/asterisk

@@ -2,7 +2,6 @@ config asterisk 'general'
 	option enabled '1'
 	option log_stderr '1'
 	option log_stdout '1'
-	option log_dect_cmbs '0'
 	option options ''
 
 config tel_line 'telline0'