ART: Remove IRT cruft

Remove dead code for initial vs maximum table size.

Bug: 32125344
Test: m test-art-host
Change-Id: Ie5806da7f5f3238483da918deca5982f01764466
diff --git a/runtime/jni_env_ext.h b/runtime/jni_env_ext.h
index 121f848..549f8c5 100644
--- a/runtime/jni_env_ext.h
+++ b/runtime/jni_env_ext.h
@@ -29,9 +29,9 @@
 
 class JavaVMExt;
 
-// Maximum number of local references in the indirect reference table. The value is arbitrary but
+// Number of local references in the indirect reference table. The value is arbitrary but
 // low enough that it forces sanity checks.
-static constexpr size_t kLocalsMax = 512;
+static constexpr size_t kLocalsInitial = 512;
 
 struct JNIEnvExt : public JNIEnv {
   static JNIEnvExt* Create(Thread* self, JavaVMExt* vm);