Remove var buildInfo #7265

Job	Run time
Checks and variables	1m 35s
NJS Unit Tests	12s
Unit Tests	1m 23s
Build Binary	33s
Build Plus images / build	1m 4s
Build OSS images (ngf, linux/arm64, linux/amd64) / build	1m 8s
Build OSS images (nginx, linux/arm64, linux/amd64) / build	46s
Helm Tests	0s
Functional tests (nginx, v1.25.16) / Run Tests	8m 55s
Functional tests (nginx, v1.30.2) / Run Tests	9m 32s
Conformance tests (nginx, v1.25.16, false) / Run Tests	6m 5s
Conformance tests (nginx, v1.25.16, true) / Run Tests	6m 27s
Conformance tests (nginx, v1.30.2, false) / Run Tests	5m 30s
Functional tests (plus, v1.25.16) / Run Tests	9m 12s
Functional tests (plus, v1.30.2) / Run Tests	9m 5s
Conformance tests (nginx, v1.30.2, true) / Run Tests	6m 5s
Conformance tests (plus, v1.25.16, false) / Run Tests	5m 56s
Conformance tests (plus, v1.25.16, true) / Run Tests	5m 53s
Conformance tests (plus, v1.30.2, false) / Run Tests	6m 31s
Package and Publish Helm Chart	0s
Conformance tests (plus, v1.30.2, true) / Run Tests	5m 52s
	1h 31m 44s

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