Simplifications and cleanups. #1559

Job	Run time
Nightly Quarkus and GraalVM build	28m 1s
Native Tests - Main	9m 32s
Native Tests - Data1	34m 21s
Native Tests - Data2	30m 27s
Native Tests - Data3	28m 51s
Native Tests - Data4	22m 0s
Native Tests - Data5	24m 52s
Native Tests - Data6	30m 5s
Native Tests - Data7	40m 12s
Native Tests - Amazon	20m 56s
Native Tests - Messaging1	34m 20s
Native Tests - Messaging2	16m 27s
Native Tests - Security1	26m 19s
Native Tests - Security2	31m 34s
Native Tests - Security3	15m 7s
Native Tests - Cache	17m 17s
Native Tests - HTTP	43m 41s
Native Tests - Misc1	30m 8s
Native Tests - Misc2	20m 16s
Native Tests - Misc3	38m 13s
Native Tests - Misc4	47m 13s
Native Tests - Spring	23m 7s
Native Tests - gRPC	23m 47s
Native Tests - Windows - RESTEasy Jackson	3m 3s
Native Tests - DevTools Integration Tests	7m 28s
Native Tests - AWT, ImageIO and Java2D	10m 24s
	10h 57m 41s

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