This is my question which has been removed without any explanation. Why has it been removed?.
In the Page Not Found Page it states:
This question was removed from Stack Overflow for reasons of moderation. Please refer to the FAQ for possible explanations why a question might be removed
It was deleted by Jeff Atwood, and was most likely flagged.
From the Deletion FAQ:
Questions that are extremely off topic, or of very low quality, may be removed at the discretion of the community and moderators.
Over time, closed questions that are not useful as signpoints to other questions may also be removed, as well as questions which have no significant activity over a very long period after being asked.