Remove old-style support for translated second architectures

Translated second architectures now go in NativeBridgeArch instead
of DeviceSecondaryArch.

Bug: 141242600
Test: m checkbuild
Change-Id: I568046330abc002d4eed582cb999b62a5eaba790

cc/installer.go

@@ -66,9 +66,6 @@ func (installer *baseInstaller) installDir(ctx ModuleContext) android.OutputPath
 	if ctx.toolchain().Is64Bit() && installer.dir64 != "" {
 		dir = installer.dir64
 	}
-	if !ctx.Host() && !ctx.Arch().Native {
-		dir = filepath.Join(dir, ctx.Arch().ArchType.String())
-	}
 	if ctx.Target().NativeBridge == android.NativeBridgeEnabled {
 		dir = filepath.Join(dir, ctx.Target().NativeBridgeRelativePath)
 	}