Cleanup integration tests #4995

Job	Run time
Performance Tests	4m 55s
Unit tests with race condition detection	2m 43s
Build Unsigned Snapshot	2m 2s
Lint	4m 33s
Unit Tests	2m 15s
Integration Tests (ubuntu, 22.04)	4m 56s
Load Tests	4m 55s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	5m 58s
Integration Tests - Official OSS Images (bookworm, stable, debian)	5m 58s
Integration Tests (redhatenterprise, 9)	4m 57s
Integration Tests - Official Plus Images (alpine, 3.19, r31, alpine, /nginx-plus/agent)	6m 5s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	5m 57s
Integration Tests (alpine, 3.19)	4m 41s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	6m 15s
Integration Tests - Official OSS Images (alpine, stable, alpine)	5m 52s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	6m 16s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	5m 43s
Publish NGINX Agent v3 packages	0s
	1h 24m 1s

Provide feedback