[debug] remove JSON debug protocol related tests.

test/inspector/runtime/evaluate-empty-stack-expected.txt

Index: test/inspector/runtime/evaluate-empty-stack-expected.txt
diff --git a/test/inspector/runtime/evaluate-empty-stack-expected.txt b/test/inspector/runtime/evaluate-empty-stack-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..90e67e8e82788cb571c612a61f52ada3fa2e9fd1
--- /dev/null
+++ b/test/inspector/runtime/evaluate-empty-stack-expected.txt
@@ -0,0 +1,10 @@
+Tests that Runtime.evaluate works with an empty stack
+{
+    id : <messageId>
+    result : {
+        result : {
+            type : string
+            value : snape kills dumbledore

[jgruber, 2016/11/24 09:53:08]

Someone seems to be having fun here :)

[Yang, 2016/11/24 09:56:17]

I hope I'm not spoiling it for anyone :)

+        }
+    }
+}