combine piecelocator endpoints (#408) #427

Job	Run time
ci-lint	18s
build-debug	4m 12s
build-forest	4m 33s
build-calibnet	4m 13s
build-2k	4m 1s
build-mainnet	4m 14s
gen-check	9m 27s
gofmt	26s
lint	3m 25s
mod-tidy-check	34s
setup-params	4s
test (test-itest-curio, ./itests/curio_test.go)	7m 3s
test (test-all, `go list ./... \| grep -v curio/itests`)	3m 52s
test (test-itest-harmonyDB, ./itests/harmonydb_test.go)	3m 28s
test (test-itest-alertnow, ./itests/alertnow_test.go)	2m 43s
	52m 33s

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