style: "echo ''" -> "echo"

bin/g

@@ -235,30 +235,30 @@ fi
 current_branch=$(git rev-parse --abbrev-ref HEAD)
 if [[ "$current_branch" == "$2" ]]; then
     if confirm "You are currently on the branch '$2'! Do you want me to switch to 'master'?"; then
-        echo ''
+        echo
         git checkout master
     else
-        echo ''
+        echo
     fi
 fi
 
 git branch -d "$2" &>/dev/null
 if [[ "$?" -ne 0 ]]; then
     if confirm "The branch '$2' hasn't been merged. Are sure you want to delete this branch?"; then
-        echo ''
+        echo
         git branch -D "$2"
     else
-        echo ''
+        echo
     fi
 fi
 
 ls $(git_root)/.git/refs/remotes/*/$2 &>/dev/null
 if [[ "$?" -eq 0 ]]; then
     if confirm 'Would you like to delete this branch on the remote as well?'; then
-        echo ''
+        echo
         git push origin --delete "$2"
     else
-        echo ''
+        echo
         echo 'OK, just thought I'"'"'d ask.'
     fi
 fi
@@ -332,10 +332,10 @@ for local_branch in $branches; do
         # Detect and delete branches not on remote
         else
             if confirm "Failed to fast forward local branch '$local_branch'. Do you want to delete the local branch if it's merged?"; then
-                echo ''
+                echo
                 git branch -d "$local_branch"
             else
-                echo ''
+                echo
             fi
         fi
     fi
@@ -415,10 +415,10 @@ if [ ! -z "$tags" ]; then
     if confirm "Would you like to push these tags (${tags}) to the remote as well?"; then
         local_branch=$(git rev-parse --abbrev-ref HEAD)
         remote=$(git config --get branch.$local_branch.remote)
-        echo ''
+        echo
         follow_tags='--follow-tags'
     else
-        echo ''
+        echo
         echo 'OK, just thought I'"'"'d ask.'
     fi
 fi
@@ -557,13 +557,13 @@ git log --color \
 | sed 's/<validity-Y>/expired/g' \
 | sed 's/<validity-B>/bad/g' \
 | sed 's/<validity-E>/error/g'
-echo ''
+echo
 ;;
 
 hist)
 git reflog HEAD@{now} --date=relative \
 |awk '$5 ~ /checkout:/ { sub(/HEAD@/, "", $2); sub(/:/, "", $4); if (!seen[$10]++) print $10, $2, $3, $4}'
-echo ''
+echo
 ;;
 
 submodule)
@@ -587,7 +587,7 @@ do
     echo "url = $url"
     cd "$gitroot"
     git submodule add "$url" "$reldir"
-    echo ''
+    echo
 done
 cd "$gitroot"
 git submodule init