Remove jniCreateStringArray.

It's only being used by toStringArray.

Test: m
Change-Id: Ifbcc27b7ef3499b607b2443ea4bdbc2e07083dde
diff --git a/include/nativehelper/toStringArray.h b/include/nativehelper/toStringArray.h
index 4bdb297..e4eeaca 100644
--- a/include/nativehelper/toStringArray.h
+++ b/include/nativehelper/toStringArray.h
@@ -26,8 +26,9 @@
 
 template <typename StringVisitor>
 jobjectArray toStringArray(JNIEnv* env, size_t count, StringVisitor&& visitor) {
-    C_JNIEnv* c_env = static_cast<C_JNIEnv*>(&env->functions);
-    ScopedLocalRef<jobjectArray> result(env, jniCreateStringArray(c_env, count));
+    jclass stringClass = env->FindClass("java/lang/String");
+    ScopedLocalRef<jobjectArray> result(env, env->NewObjectArray(count, stringClass, NULL));
+    env->DeleteLocalRef(stringClass);
     if (result == nullptr) {
         return nullptr;
     }