How to remove context menu options not shown on application selection

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http://askubuntu.com – Whenever I right click a HTML, CSS, JS or PHP file I get the following: As you can see I have several options that do not show in the "Recommended Applications" window. I wish to eliminate all options that do not appear in the Recommended Application windows. In this case, the following are the ones I want to eliminate: Google Docs LibreOffice Writer SciTE Text Editor notepad (HowTos)