Remove run-as from Microdroid

It is only useful when there are apps present, which we don't have.

Bug: 223596375
Test: atest MicrodroidTests MicrodroidHostTestCases
Change-Id: Ifd0b8189a7f454fabf32ccfe0ae5a1b03c79c81a
diff --git a/microdroid/Android.bp b/microdroid/Android.bp
index 3ae4b1a..0ca7036 100644
--- a/microdroid/Android.bp
+++ b/microdroid/Android.bp
@@ -59,7 +59,6 @@
         "libstdc++",
         "logcat",
         "logd",
-        "run-as",
         "secilc",
 
         // "com.android.adbd" requires these,