update prezto

.zprezto/runcoms/README.md

@@ -10,7 +10,7 @@ in */etc* by default.
 
 User-local configuration files have the same name as their global counterparts
 but are prefixed with a dot (hidden). Zsh looks for these files in the path
-stored in the `$ZDOTDIR` environmental variable. However, if said variable is
+stored in the `$ZDOTDIR` environment variable. However, if said variable is
 not defined, Zsh will use the user's home directory.
 
 File Descriptions

.zprezto/runcoms/zshenv

@@ -9,5 +9,3 @@
 if [[ ( "$SHLVL" -eq 1 && ! -o LOGIN ) && -s "${ZDOTDIR:-$HOME}/.zprofile" ]]; then
   source "${ZDOTDIR:-$HOME}/.zprofile"
 fi
-
-unset LC_CTYPE