[#77] Use the gwD/giD aliases for Git word diff

plugins/git/alias.zsh

@@ -86,7 +86,7 @@ alias giu='git add --update'
 compdef _git giu=git-add
 alias gid='git diff --no-ext-diff --cached'
 compdef _git gid=git-diff
-function giD { git diff --no-ext-diff --cached --ignore-all-space "$@" | view - }
+alias giD='git diff --no-ext-diff --cached --word-diff'
 compdef _git giD=git-diff
 alias gir='git reset'
 compdef _git gir=git-reset
@@ -235,7 +235,7 @@ alias gwS='git status'
 compdef _git gwS=git-status
 alias gwd='git diff --no-ext-diff'
 compdef _git gwd=git-diff
-function gwD { git diff --no-ext-diff --ignore-all-space "$@" | view - }
+alias gwD='git diff --no-ext-diff --word-diff'
 compdef _git gwD=git-diff
 alias gwr='git reset --soft'
 compdef _git gwr=git-reset