ci: disable PX4 SITL tests #1677

Job	Run time
Scan for Board Targets	31s
Build Group [base-px4]	4m 53s
Build Group [nuttx-cubepilot]	9m 0s
Build Group [nuttx-px4-0]	11m 36s
Build Group [nuttx-px4-1]	11m 6s
Build Group [nuttx-px4-2]	15m 8s
Build Group [nuttx-px4-3]	6m 25s
Build Group [nuttx-matek]	7m 15s
Build Group [nuttx-holybro-0]	9m 36s
Build Group [nuttx-holybro-1]	4m 41s
Build Group [nuttx-mro-0]	11m 31s
Build Group [nuttx-mro-1]	3m 20s
Build Group [nuttx-nxp-0]	11m 47s
Build Group [nuttx-nxp-1]	4m 18s
Build Group [nuttx-ark-0]	8m 21s
Build Group [nuttx-ark-1]	4m 3s
Build Group [nuttx-cuav]	7m 57s
Build Group [nuttx-0]	11m 45s
Build Group [nuttx-1]	10m 14s
Build Group [nuttx-2]	9m 48s
Build Group [nuttx-3]	8m 58s
Build Group [armhf-0]	4m 23s
Build Group [aarch64-0]	1m 41s
Create Release and Upload Artifacts	0s
Upload Artifacts to S3	0s
	2h 58m 17s

Provide feedback