Removed replicated HARKdoc
Removed replicated HARKdoc

HARKdoc,.pdf should be in /Documentation, but was also in root.  Thought
I deleted it before, guess not.

bolmez/Class-HARK,ganong123/HARK,ganong123/HARK,econ-ark/HARK,mnwhite/HARK,ganong123/HARK,econ-ark/HARK