Remove useless LOCAL_ACP_UNAVAILABLE

The make build system no longer needs LOCAL_ACP_UNAVAILABLE.

Change-Id: Ieef1415488853add9c5f5ab24219f9c6d3d13aa5
diff --git a/common/androidmk.go b/common/androidmk.go
index f041b59..9628a10 100644
--- a/common/androidmk.go
+++ b/common/androidmk.go
@@ -182,9 +182,6 @@
 			fmt.Fprintln(w, "LOCAL_MODULE_HOST_CROSS_ARCH :=", archStr)
 		} else {
 			fmt.Fprintln(w, "LOCAL_MODULE_HOST_ARCH :=", archStr)
-
-			// TODO: this isn't true for every module, only dependencies of ACP
-			fmt.Fprintln(w, "LOCAL_ACP_UNAVAILABLE := true")
 		}
 		fmt.Fprintln(w, "LOCAL_MODULE_HOST_OS :=", amod.HostType().String())
 		fmt.Fprintln(w, "LOCAL_IS_HOST_MODULE := true")