zsh: move completion setopts from setopt.zsh into completion.zsh

zsh/completion.zsh

@@ -1,6 +1,21 @@
-autoload -U compinit && compinit
+# ===== init completion
+autoload -Uz compinit && compinit -d ~/.zsh/cache/zcompdump
 zmodload -i zsh/complist
 
+# ===== setopts
+# allow completion from within a word or phrase
+setopt complete_in_word
+# always complete and display matches immediately after pressing <Tab>
+setopt no_list_ambiguous
+# when completing from the middle of a word, move the cursor to the end.
+setopt always_to_end
+# always show completion menu on successive tab press.
+# (needs unsetopt menu_complete to work)
+setopt auto_menu
+# do not autoselect the first completion entry
+unsetopt menu_complete
+
+# ===== completion options
 # Enable completion caching, use rehash to clear
 zstyle ':completion::complete:*' use-cache on
 zstyle ':completion::complete:*' cache-path ~/.zsh/cache/$HOST