Delete some api_bp2build dead code.

Follow up of https://android-review.googlesource.com/2630914

Bug: 284029211
Test: presubmits
Change-Id: Idc0ff2f20e54b81cfdf61472a72e9cb027f60554

4 files changed, 3 insertions, 74 deletions

diff --git a/README.md b/README.md
index 22daa956c..5e9e04a18 100644
--- a/README.md
+++ b/README.md
@@ -648,8 +648,8 @@ invocations are run in the debugger, e.g., running
 SOONG_DELVE=2345 SOONG_DELVE_STEPS='build,modulegraph' m
 ```
 results in only `build` (main build step) and `modulegraph` being run in the debugger.
-The allowed step names are `api_bp2build`, `bp2build_files`, `bp2build_workspace`,
-`build`, `modulegraph`, `queryview`, `soong_docs`.
+The allowed step names are `bp2build_files`, `bp2build_workspace`, `build`,
+`modulegraph`, `queryview`, `soong_docs`.
 
 Note setting or unsetting `SOONG_DELVE` causes a recompilation of `soong_build`. This
 is because in order to debug the binary, it needs to be built with debug
diff --git a/android/api_domain.go b/android/api_domain.go
index 38f48e3d4..0a66c3d73 100644
--- a/android/api_domain.go
+++ b/android/api_domain.go
@@ -14,14 +14,6 @@
 
 package android
 
-func init() {
-	RegisterApiDomainBuildComponents(InitRegistrationContext)
-}
-
-func RegisterApiDomainBuildComponents(ctx RegistrationContext) {
-	ctx.RegisterModuleType("api_domain", ApiDomainFactory)
-}
-
 type ApiSurface int
 
 // TODO(b/246656800): Reconcile with android.SdkKind
@@ -44,50 +36,3 @@ func (a ApiSurface) String() string {
 		return "invalid"
 	}
 }
-
-type apiDomain struct {
-	ModuleBase
-	BazelModuleBase
-
-	properties apiDomainProperties
-}
-
-type apiDomainProperties struct {
-	// cc library contributions (.h files/.map.txt) of this API domain
-	// This dependency is a no-op in Soong, but the corresponding Bazel target in the api_bp2build workspace
-	// will provide a `CcApiContributionInfo` provider
-	Cc_api_contributions []string
-
-	// java library contributions (as .txt) of this API domain
-	// This dependency is a no-op in Soong, but the corresponding Bazel target in the api_bp2build workspace
-	// will provide a `JavaApiContributionInfo` provider
-	Java_api_contributions []string
-}
-
-func ApiDomainFactory() Module {
-	m := &apiDomain{}
-	m.AddProperties(&m.properties)
-	InitAndroidArchModule(m, DeviceSupported, MultilibBoth)
-	return m
-}
-
-// Do not create any dependency edges in Soong for now to skip visibility checks for some systemapi libraries.
-// Currently, all api_domain modules reside in build/orchestrator/apis/Android.bp
-// However, cc libraries like libsigchain (com.android.art) restrict their visibility to art/*
-// When the api_domain module types are collocated with their contributions, this dependency edge can be restored
-func (a *apiDomain) DepsMutator(ctx BottomUpMutatorContext) {
-}
-
-// API domain does not have any builld actions yet
-func (a *apiDomain) GenerateAndroidBuildActions(ctx ModuleContext) {
-}
-
-const (
-	apiContributionSuffix = ".contribution"
-)
-
-// ApiContributionTargetName returns the name of the bp2build target (e.g. cc_api_contribution)  of contribution modules (e.g. ndk_library)
-// A suffix is necessary to prevent a name collision with the base target in the same bp2build bazel package
-func ApiContributionTargetName(moduleName string) string {
-	return moduleName + apiContributionSuffix
-}
diff --git a/android/register.go b/android/register.go
index f1c298691..6182159ce 100644
--- a/android/register.go
+++ b/android/register.go
@@ -181,8 +181,7 @@ func NewContext(config Config) *Context {
 	return ctx
 }
 
-// Helper function to register the module types used in bp2build and
-// api_bp2build.
+// Helper function to register the module types used in bp2build.
 func registerModuleTypes(ctx *Context) {
 	for _, t := range moduleTypes {
 		t.register(ctx)
diff --git a/cc/library_headers.go b/cc/library_headers.go
index fccdf996e..4da2b48ca 100644
--- a/cc/library_headers.go
+++ b/cc/library_headers.go
@@ -161,18 +161,3 @@ func libraryHeadersBp2Build(ctx android.Bp2buildMutatorContext, module *Module)
 		Tags: tags,
 	}, attrs)
 }
-
-// Append .contribution suffix to input labels
-func apiBazelTargets(ll bazel.LabelList) bazel.LabelList {
-	labels := make([]bazel.Label, 0)
-	for _, l := range ll.Includes {
-		labels = append(labels, bazel.Label{
-			Label: android.ApiContributionTargetName(l.Label),
-		})
-	}
-	return bazel.MakeLabelList(labels)
-}
-
-var (
-	allArches = []string{"arm", "arm64", "x86", "x86_64"}
-)