Move fzf-history-search to utilities

Also rename to .fzf-history-search to avoid it turning up in normal
command completion as an option.

utilities/utilities.plugin.zsh

@@ -148,3 +148,22 @@ fi
 ls-iommu() {
   $HOME/.config/zsh/ls-iommu.sh | sort -n
 }
+
+# Fuzzy history search with fzf
+function .fzf-history-search() {
+  local selected
+  selected=$(
+    cat $HISTFILE |         # get entire history
+    sed 's/ *[0-9]* *//' |  # remove cruft
+    awk '!seen[$0]++' |     # remove duplicates
+    fzf --layout=reverse --tac --cycle  --info=hidden \
+        --border=rounded --height=50%
+  )
+  if [[ -n "$selected" ]]; then
+    BUFFER="$selected"
+    zle end-of-line
+  fi
+  zle reset-prompt
+}
+zle -N .fzf-history-search
+bindkey '^R' .fzf-history-search

zshrc

@@ -143,25 +143,6 @@ if [[ `uname` = Linux ]]; then
   [[ -n ${key[End]} ]] && bindkey "${key[End]}" end-of-line
 fi
 
-# Fuzzy history search with fzf
-function fzf-history-search() {
-  local selected
-  selected=$(
-    cat $HISTFILE |         # get entire history
-    sed 's/ *[0-9]* *//' |  # remove cruft
-    awk '!seen[$0]++' |     # remove duplicates
-    fzf --layout=reverse --tac --cycle  --info=hidden \
-        --border=rounded --height=50%
-  )
-  if [[ -n "$selected" ]]; then
-    BUFFER="$selected"
-    zle end-of-line
-  fi
-  zle reset-prompt
-}
-zle -N fzf-history-search
-bindkey '^R' fzf-history-search
-
 # Enable changing cursor shape based on vi mode
 if [ "$ITERM_PROFILE" != "" ] && [ "$TMUX" = "" ]; then
   # iTerm2 cursor shape escape sequences outside tmux