[build] Gradle Cleanup #295

Job	Run time
Gradle Build	4m 17s
Build Examples	3m 50s
PhotonClient Build	39s
Build Offline Docs	47s
Photonlib - Build Docker - Athena	6m 30s
Photonlib - Build Host - Win64	4m 36s
Photonlib - Build Docker - Raspbian	6m 19s
Photonlib - Build Host - macOS	8m 28s
Photonlib - Build Docker - Aarch64	6m 43s
Photonlib - Build Host - Linux	3m 35s
Build fat JAR - Win64	3m 2s
Build fat JAR - macOS	3m 31s
Build fat JAR - Linux	1m 31s
Build fat JAR - macOSArm	3m 53s
Build fat JAR - LinuxArm32	2m 20s
Build fat JAR - LinuxArm64	1m 24s
Build image - ${{ matrix.image_url }}	0s
release	0s
	1h 1m 25s

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