Originally, `:set completeopt+=fuzzy` did not affect how the candidate
list is collected in default keyword completion. A comment was added to
documentation as part of vim/vim#14912 to clarify it. vim/vim#15193 later changed the
fuzzy behavior to now change the candidate collection behavior as well
so the clarification in docs is now wrong. Remove them here.
closes: vim/vim#1565626e4b00002
Co-authored-by: Yee Cheng Chin <ychin.git@gmail.com>
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