apex: remove use_vendor

Should manually cut dependencies instead. Previously, this was used to
take advantage of the limited dependencies of variant libs in some APEXes.

Fixes: 175318864
Test: m nothing
Change-Id: Id559fd1bea5c8b8696cf7ab8acc711a7c3844d14

cc/cc.go

@@ -2632,8 +2632,6 @@ func (c *Module) depsToPaths(ctx android.ModuleContext) PathDeps {
 					if lib := moduleLibraryInterface(dep); lib.buildStubs() && c.UseVndk() { // LLNDK
 						if !apexInfo.IsForPlatform() {
 							// For platform libraries, use current version of LLNDK
-							// If this is for use_vendor apex we will apply the same rules
-							// of apex sdk enforcement below to choose right version.
 							useStubs = true
 						}
 					} else if apexInfo.IsForPlatform() {