Revert "bp2build: convert host & prebuilt header libraries"

This reverts commit d8a72d7dc9.

Reason for revert: root cause for b/214013899

Change-Id: If769708408c419c2fd3d9484fbf40202b7276299

cc/library_headers.go

@@ -104,8 +104,6 @@ func LibraryHeaderFactory() android.Module {
 func prebuiltLibraryHeaderFactory() android.Module {
 	module, library := NewPrebuiltLibrary(android.HostAndDeviceSupported, "")
 	library.HeaderOnly()
-	module.bazelable = true
-	module.bazelHandler = &ccLibraryBazelHandler{module: module}
 	return module.Init()
 }