Remove ART APEX from the bootstrap apexes

No process running with the bootstrap mount namespace requires a library
from the APEX.

Test: forrest
Bug: 169779935
Change-Id: Ic20df80e21359aff76fe7d502054b74e74e20c56
diff --git a/apexd/apexd.cpp b/apexd/apexd.cpp
index e3733d8..2719474 100644
--- a/apexd/apexd.cpp
+++ b/apexd/apexd.cpp
@@ -122,7 +122,6 @@
 // Please DO NOT add new modules to this list without contacting mainline-modularization@ first.
 static const std::vector<std::string> kBootstrapApexes = ([]() {
   std::vector<std::string> ret = {
-      "com.android.art",
       "com.android.i18n",
       "com.android.runtime",
       "com.android.tzdata",