Remove MAVLink gimbal v1 protocol #4091

Job	Run time
Ubuntu/Debian packaging (Ubuntu 20.04)	8m 36s
alpine 3.19.0 (musl)	11m 12s
ubuntu-20.04 (package, non-mavsdk_server)	7m 30s
coverage (ubuntu-20.04)	6m 59s
ubuntu-22.04 (package, non-mavsdk_server)	6m 20s
android-arm	6m 19s
linux-armv6	6m 13s
android-arm64	6m 28s
linux-armv6-musl	11m 20s
linux-armv7	6m 5s
ios	1h 10m 45s
android-x86	6m 19s
linux-armv7l-musl	11m 35s
linux-arm64	6m 4s
android-x86_64	6m 11s
ios_simulator_x64	38m 21s
linux-arm64-musl	12m 4s
linux-arm64-lts	5m 27s
ios_simulator_arm64	1h 5m 18s
macOS x64	12m 42s
ubuntu-20.04 (mavsdk, hunter)	4m 44s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	6m 50s
macOS arm64	20m 32s
ubuntu-22.04 (style and proto check)	1m 45s
macOS framework x64	16m 25s
ubuntu-20.04 (mavsdk_server, superbuild)	14m 22s
Windows	14m 32s
macOS framework arm64	6m 40s
ubuntu-22.04 (mavsdk_server, superbuild)	11m 18s
iOS XCFramework	1m 29s
	6h 50m 25s

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