Revert "apkverify: Make the library available for host tools"

This reverts commit 228b71fc204f75dd9e784721b00040788b9bd3f9.

Reason for revert: b/233588380 caused by b/204562227

Change-Id: Ia62d407fa48470569b0f89b4e880019eb599e79e
diff --git a/libs/apkverify/Android.bp b/libs/apkverify/Android.bp
index cda4250..df1cac6 100644
--- a/libs/apkverify/Android.bp
+++ b/libs/apkverify/Android.bp
@@ -5,7 +5,6 @@
 rust_defaults {
     name: "libapkverify.defaults",
     crate_name: "apkverify",
-    host_supported: true,
     srcs: ["src/lib.rs"],
     prefer_rlib: true,
     edition: "2018",