samples: dect_phy: dect_shell: remove AT_CMD_PARSER

Removes the unused and deprecated AT_CMD_PARSER
Kconfig option.

Signed-off-by: Mirko Covizzi <[email protected]>

Author: MirkoCovizzi

samples/dect/dect_phy/dect_shell/prj.conf

@@ -42,7 +42,6 @@ CONFIG_POSIX_API=y
 CONFIG_DEVMEM_SHELL=n
 
 CONFIG_DK_LIBRARY=y
-CONFIG_AT_CMD_PARSER=y
 CONFIG_AT_MONITOR=y
 CONFIG_MODEM_ANTENNA=y