px4fmu-v2 disable errno strings

platforms/nuttx/nuttx-configs/px4fmu-v2/nsh/defconfig

@@ -1339,8 +1339,7 @@ CONFIG_TASK_SPAWN_DEFAULT_STACKSIZE=2048
 #
 # errno Decode Support
 #
-CONFIG_LIBC_STRERROR=y
-# CONFIG_LIBC_STRERROR_SHORT is not set
+# CONFIG_LIBC_STRERROR is not set
 # CONFIG_LIBC_PERROR_STDOUT is not set
 
 #
@@ -1609,7 +1608,6 @@ CONFIG_NSH_MMCSDSLOTNO=0
 CONFIG_NSH_CODECS_BUFSIZE=128
 CONFIG_NSH_PROC_MOUNTPOINT="/proc"
 CONFIG_NSH_FILEIOSIZE=512
-CONFIG_NSH_STRERROR=y
 
 #
 # Scripting Support