Revert "Add requests dependency to sensu requirements file."
Revert "Add requests dependency to sensu requirements file."

This reverts commit 308b67a4b3021bd16d25888f2ad23a42b3b86564.

armab/st2contrib,tonybaloney/st2contrib,StackStorm/st2contrib,armab/st2contrib,tonybaloney/st2contrib,tonybaloney/st2contrib,armab/st2contrib,StackStorm/st2contrib,StackStorm/st2contrib