Remove ThrowLocation.

Note that this is a cleanup change, and has no functionality change.
The ThrowLocation had no use anymore.

Change-Id: I3d2126af1dc673cec3a0453ff3d56a172663a5f6
diff --git a/runtime/java_vm_ext.cc b/runtime/java_vm_ext.cc
index 08332d3..e68616f 100644
--- a/runtime/java_vm_ext.cc
+++ b/runtime/java_vm_ext.cc
@@ -741,8 +741,7 @@
   }
   // Throwing can cause libraries_lock to be reacquired.
   if (native_method == nullptr) {
-    ThrowLocation throw_location = self->GetCurrentLocationForThrow();
-    self->ThrowNewException(throw_location, "Ljava/lang/UnsatisfiedLinkError;", detail.c_str());
+    self->ThrowNewException("Ljava/lang/UnsatisfiedLinkError;", detail.c_str());
   }
   return native_method;
 }