Delete the old html_json docs stuff.

tools/html_json_doc/test/test_data/json_to_html/test_html_input.dart

Index: tools/html_json_doc/test/test_data/json_to_html/test_html_input.dart
diff --git a/tools/html_json_doc/test/test_data/json_to_html/test_html_input.dart b/tools/html_json_doc/test/test_data/json_to_html/test_html_input.dart
deleted file mode 100644
index 70b60417ff5edb9c1c322d13c77d4b38d9a3600a..0000000000000000000000000000000000000000
--- a/tools/html_json_doc/test/test_data/json_to_html/test_html_input.dart
+++ /dev/null
@@ -1,62 +0,0 @@
-/// @docsEditable
-library testInput;
-
-/// @docsEditable
-class InputTestCase1 {
-
-}
-
-/// @docsEditable
-class InputTestCase2 extends InputTestCase1 {
-
-}
-
-/// @docsEditable
-class InputTestCase3 extends InputTestCase2 {
-
-}
-
-/*
- * NO. This is not a dartdoc comment and should not be picked up.
- * The output of this comment should be nothing.
- */
-/// @docsEditable
-class InputTestCase4 {
-
-}
-
-/**
- * NO. This multi-line dartdoc comment doesn't have the /// @docsEditable stuff.
- * This comment should not show up in the JSON.
- * Note that the /// @docsEditable in this line and the one above are ignored.
- */
-class InputTestCase5 {
-
-}
-
-/// NO. This is a single line dartdoc comment that is ignored.
-class InputTestCase6 {
-
-}
-
-/// NO. This is a multi-line dartdoc comment that is ignored.
-/// It is made of multiple single line dartdoc comments.
-class InputTestCase7 {
-
-  /// @docsEditable
-  var InputTestCase8;
-
-  /// @docsEditable
-  var InputTestCase9;
-
-  /// @docsEditable
-  var InputTestCase10;
-
-  /**
-   * NO.This multi-line comment on a member is ignored.
-   */
-  var InputTestCase11;
-
-  /// NO. This single line dartdoc comment on a member is ignored.
-  var InputTestCase12;
-}