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/runtime.cc b/runtime/runtime.cc
index ac1040d..61798c3 100644
--- a/runtime/runtime.cc
+++ b/runtime/runtime.cc
@@ -1016,7 +1016,7 @@
   }
 
   // Pre-allocate an OutOfMemoryError for the double-OOME case.
-  self->ThrowNewException(ThrowLocation(), "Ljava/lang/OutOfMemoryError;",
+  self->ThrowNewException("Ljava/lang/OutOfMemoryError;",
                           "OutOfMemoryError thrown while trying to throw OutOfMemoryError; "
                           "no stack trace available");
   pre_allocated_OutOfMemoryError_ = GcRoot<mirror::Throwable>(self->GetException());
@@ -1024,7 +1024,7 @@
 
   // Pre-allocate a NoClassDefFoundError for the common case of failing to find a system class
   // ahead of checking the application's class loader.
-  self->ThrowNewException(ThrowLocation(), "Ljava/lang/NoClassDefFoundError;",
+  self->ThrowNewException("Ljava/lang/NoClassDefFoundError;",
                           "Class not found using the boot class loader; no stack trace available");
   pre_allocated_NoClassDefFoundError_ = GcRoot<mirror::Throwable>(self->GetException());
   self->ClearException();