Delete duplicate tmux-copy setting
# Please enter the commit message for your changes. Lines starting
# with '#' will be kept; you may remove them yourself if you want to.
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# On branch develop
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
# modified:   .tmux.conf
# deleted:    bin/tmux-pbcopy
#
# Untracked files:
#   (use "git add <file>..." to include in what will be committed)
#
# bin/finished
# bin/subl
# bin/vimcat