Revert "[case]补充htmlparser大小写用例"

This reverts commit 39fc7c06de5c914fbe192bf90909e3f37e92e330.
Merge branch 'dev-1.2.5' of https://github.com/campaign/ueditor into dev-1.2.5
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Merge branch 'dev-1.2.5' of https://github.com/campaign/ueditor into dev-1.2.5

Conflicts:
	_examples/completeDemo.html
	_test/core/htmlparser.js
Merge branch 'dev-1.2.5' of https://github.com/campaign/ueditor into dev-1.2.5