Remove deprecated package exporterbatcher (#12780) #29441

Job	Run time
setup-environment	16s
govulncheck	33s
checks	2m 25s
lint	4m 44s
test-coverage	8m 31s
cross-build-collector (aix, ppc64)	49s
cross-build-collector (darwin, amd64)	43s
unittest-matrix (ubuntu-latest, ~1.24)	2m 29s
cross-build-collector (darwin, arm64)	45s
unittest-matrix (ubuntu-latest, ~1.23)	2m 28s
cross-build-collector (linux, 386)	52s
cross-build-collector (linux, amd64)	50s
cross-build-collector (linux, arm64)	42s
cross-build-collector (linux, ppc64le)	46s
cross-build-collector (linux, arm, 7)	47s
cross-build-collector (linux, s390x)	55s
cross-build-collector (windows, 386)	56s
cross-build-collector (windows, amd64)	45s
unittest	1s
	30m 17s

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