Remove adjacenttab

src/shared/settings/properties.js

@@ -5,7 +5,6 @@
 const types = {
   hintchars: 'string',
   smoothscroll: 'boolean',
-  adjacenttab: 'boolean',
   complete: 'string',
 };
 
@@ -13,14 +12,12 @@ const types = {
 const defaults = {
   hintchars: 'abcdefghijklmnopqrstuvwxyz',
   smoothscroll: false,
-  adjacenttab: true,
   complete: 'sbn',
 };
 
 const docs = {
   hintchars: 'hint characters on follow mode',
   smoothscroll: 'smooth scroll',
-  adjacenttab: 'open adjacent tabs',
   complete: 'which are completed at the open page',
 };