Revert "Wrapping search. Perl regex while searching. Center search matches and jumps"

This caused strange issues like inability to properly search for ruby
instance variables.

This reverts commit 88dd66685af2ba85970d5100bb5c1a3135213228.
Merge branch 'master' of https://github.com/skwp/dotfiles

* 'master' of https://github.com/skwp/dotfiles:
  Revert "Wrapping search. Perl regex while searching. Center search matches and jumps"