Simplify git-config calls

modules/git/functions/_git-hub-browse

@@ -17,17 +17,15 @@ _arguments -C -s -S \
 
 case "$state" in
   (remote)
-    remotes=($(
-      git config --local --get-regexp 'remote.*.url' \
-        | awk 'BEGIN {FS="."} ; {print $2}'
-    ))
+    remotes=($(git config --get-regexp 'remote.*.url' | cut -d. -f2))
+
     _describe -t branch 'remotes' remotes && ret=0
   ;;
   (branch-or-tag)
     remote="$words[(($CURRENT - 1))]"
 
     branches_or_tags=($(
-      git ls-remote --heads --tags "$remote" | awk '{print $2}'
+      git ls-remote --heads --tags "$remote" 2>/dev/null | cut -f2
     ))
 
     branches=(HEAD ${${(M)branches_or_tags[@]##refs/heads/?##}##refs/heads/})

modules/git/functions/git-hub-browse

@@ -8,10 +8,7 @@
 local remotes remote references reference file url
 
 remote="${1:-origin}"
-remotes=($(
-  git config --local --get-regexp 'remote.*.url' \
-    | awk 'BEGIN {FS="."} ; {print $2}'
-))
+remotes=($(git config --get-regexp 'remote.*.url' | cut -d. -f2))
 
 if (( $remotes[(i)$remote] == $#remotes + 1 )); then
   print "$0: remote not found: $remote" >&2
@@ -19,7 +16,7 @@ if (( $remotes[(i)$remote] == $#remotes + 1 )); then
 fi
 
 url=$(
-  git config --local --get "remote.${remote}.url" \
+  git config --get "remote.${remote}.url" \
     | sed -En "s/(git|https?)(@|:\/\/)github.com(:|\/)(.+)\/(.+).git/https:\/\/github.com\/\4\/\5/p"
 )