bords: omnibus_f4sd move ekf2 from default to new ekf2 board variant

- temporary solution to flash overflow

boards/omnibus/f4sd/default.px4board

@@ -21,7 +21,6 @@ CONFIG_MODULES_BATTERY_STATUS=y
 CONFIG_MODULES_COMMANDER=y
 CONFIG_MODULES_CONTROL_ALLOCATOR=y
 CONFIG_MODULES_DATAMAN=y
-CONFIG_MODULES_EKF2=y
 CONFIG_MODULES_FLIGHT_MODE_MANAGER=y
 CONFIG_MODULES_LAND_DETECTOR=y
 CONFIG_MODULES_LOGGER=y
@@ -33,7 +32,6 @@ CONFIG_MODULES_MC_RATE_CONTROL=y
 CONFIG_MODULES_NAVIGATOR=y
 CONFIG_MODULES_RC_UPDATE=y
 CONFIG_MODULES_SENSORS=y
-CONFIG_SYSTEMCMDS_DMESG=n
 CONFIG_SYSTEMCMDS_HARDFAULT_LOG=y
 CONFIG_SYSTEMCMDS_MIXER=y
 CONFIG_SYSTEMCMDS_PARAM=y

boards/omnibus/f4sd/ekf2.px4board

@@ -0,0 +1,2 @@
+CONFIG_MODULES_ATTITUDE_ESTIMATOR_Q=n
+CONFIG_MODULES_EKF2=y