Remove MicrodroidTestApp.signed

It was added to produce idsig file at build-time. It then became
obsolete as the idsig file is created at run-time.

Bug: N/A
Test: watch TH
Change-Id: I535f608f7e003e081426e0af3b0e485ab3486381
diff --git a/tests/hostside/Android.bp b/tests/hostside/Android.bp
index 9bab286..bc8a4a5 100644
--- a/tests/hostside/Android.bp
+++ b/tests/hostside/Android.bp
@@ -16,5 +16,5 @@
         "VirtualizationTestHelper",
     ],
     per_testcase_directory: true,
-    data: [":MicrodroidTestApp.signed"],
+    data: [":MicrodroidTestApp"],
 }
diff --git a/tests/testapk/Android.bp b/tests/testapk/Android.bp
index 5c5e608..0699e3d 100644
--- a/tests/testapk/Android.bp
+++ b/tests/testapk/Android.bp
@@ -47,20 +47,3 @@
     name: "MicrodroidTestNativeLibSub",
     srcs: ["src/native/testlib.cpp"],
 }
-
-genrule {
-    name: "MicrodroidTestApp.signed",
-    out: [
-        "MicrodroidTestApp.apk",
-        "MicrodroidTestApp.apk.idsig",
-    ],
-    srcs: [":MicrodroidTestApp"],
-    tools: ["apksigner"],
-    tool_files: ["test.keystore"],
-    cmd: "$(location apksigner) sign " +
-        "--ks $(location test.keystore) " +
-        "--ks-pass=pass:testkey --key-pass=pass:testkey " +
-        "--in $(in) " +
-        "--out $(genDir)/MicrodroidTestApp.apk",
-    // $(genDir)/MicrodroidTestApp.apk.idsig is generated implicitly
-}