Remove label-merged-pr command

This command is not used.

Release note: none
Epic: none

Author: rail

pkg/BUILD.bazel

@@ -143,7 +143,6 @@ ALL_TESTS = [
     "//pkg/cmd/docs-issue-generation:docs-issue-generation_test",
     "//pkg/cmd/drtprod/cli/commands:commands_test",
     "//pkg/cmd/github-pull-request-make:github-pull-request-make_test",
-    "//pkg/cmd/label-merged-pr:label-merged-pr_test",
     "//pkg/cmd/microbench-ci:microbench-ci_test",
     "//pkg/cmd/mirror/go:go_test",
     "//pkg/cmd/publish-artifacts:publish-artifacts_test",
@@ -1183,9 +1182,6 @@ GO_TARGETS = [
     "//pkg/cmd/gossipsim:gossipsim",
     "//pkg/cmd/gossipsim:gossipsim_lib",
     "//pkg/cmd/import-tools:import-tools",
-    "//pkg/cmd/label-merged-pr:label-merged-pr",
-    "//pkg/cmd/label-merged-pr:label-merged-pr_lib",
-    "//pkg/cmd/label-merged-pr:label-merged-pr_test",
     "//pkg/cmd/microbench-ci:microbench-ci",
     "//pkg/cmd/microbench-ci:microbench-ci_lib",
     "//pkg/cmd/microbench-ci:microbench-ci_test",

pkg/cmd/dev/build.go

@@ -88,7 +88,6 @@ var buildTargetMapping = map[string]string{
 	"execgen":              "//pkg/sql/colexec/execgen/cmd/execgen:execgen",
 	"gofmt":                "@com_github_cockroachdb_gostdlib//cmd/gofmt:gofmt",
 	"goimports":            "@com_github_cockroachdb_gostdlib//x/tools/cmd/goimports:goimports",
-	"label-merged-pr":      "//pkg/cmd/label-merged-pr:label-merged-pr",
 	"geos":                 geosTarget,
 	"langgen":              "//pkg/sql/opt/optgen/cmd/langgen:langgen",
 	"libgeos":              geosTarget,