Remove remaining references to "--fresh"

This option was removed in 8cdf4d8ebf439eb9a9ffcaa0e455ced9459e1e41
because it did not do anything.

Library/Contributions/brew_fish_completion.fish

@@ -131,7 +131,6 @@ complete -c brew -s d -l debug -n '__fish_complete_brew_command install' -d "Ope
 complete -c brew -s f -l force -n '__fish_complete_brew_command force' -d "Install formula even if blacklisted"
 complete -c brew -s i -l interactive -n '__fish_complete_brew_command install' -d "Open a subshell to install manually"
 complete -c brew -l git -n '__fish_complete_brew_command install' -d 'Create a git repo (useful for making patches)'
-complete -c brew -l fresh -n '__fish_complete_brew_command install' -d "Do not reuse options from previous installs"
 complete -c brew -l build-from-source -n '__fish_complete_brew_command install' -d "Compile from source even if a bottle is provided"
 complete -c brew -l devel -n '__fish_complete_brew_command install' -d "Install the development version"
 complete -c brew -l HEAD -n '__fish_complete_brew_command install' -d "Install the HEAD version"

Library/Contributions/cmd/brew-pull.rb

@@ -136,7 +136,7 @@ ARGV.named.each do |arg|
     changed_formulae.each do |f|
       ohai "Installing #{formula}"
       install = f.installed? ? 'upgrade' : 'install'
-      safe_system 'brew', install, '--debug', '--fresh', formula
+      safe_system 'brew', install, '--debug', formula
     end
   end
 end