Revert "luci-base: force menu to regenerate after uci change"

This reverts commit 97ebdcb.

The commit seems to cause errors already before the login screen.
Discussion in 97ebdcb#commitcomment-139871175

Errors like:

 In error(), file [C]
 called from function [anonymous function] (/usr/lib/lua/luci/ucodebridge.lua:23)
 called from function ((tail call))
 In [anonymous function](), file /usr/share/ucode/luci/runtime.uc, line 148, byte 45:
   called from function build_pagetree (/usr/share/ucode/luci/dispatcher.uc:382:73)
   called from function menu_json (/usr/share/ucode/luci/dispatcher.uc:439:26)
   called from function [anonymous function] (/usr/share/ucode/luci/dispatcher.uc:898:24)
   called from anonymous function (/www/cgi-bin/luci:39:13)

  `        return lcall.call(modname, method, ...args);`
   Near here ----------------------------------------^

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

modules/luci-base/htdocs/luci-static/resources/uci.js

@@ -919,8 +919,6 @@ return baseclass.extend(/** @lends LuCI.uci.prototype */ {
 							window.setTimeout(try_confirm, 250);
 						else
 							return Promise.reject(rv);
-					} else {
-						document.dispatchEvent(new CustomEvent('uci-applied'));
 					}
 
 					return rv;

modules/luci-base/htdocs/luci-static/resources/ui.js

@@ -3478,10 +3478,6 @@ var UITable = baseclass.extend(/** @lends LuCI.ui.table.prototype */ {
 	}
 });
 
-// Because the menu can depend on uci values, we need to flush the cache
-// after uci mutations.
-document.addEventListener('uci-applied', () => UIMenu.flushCache());
-
 /**
  * @class ui
  * @memberof LuCI

modules/luci-base/ucode/dispatcher.uc

@@ -358,7 +358,7 @@ function build_pagetree() {
 		firstchild_ineligible: 'bool'
 	};
 
-	let files = glob('/usr/share/luci/menu.d/*.json', '/etc/config/*', '/usr/lib/lua/luci/controller/*.lua', '/usr/lib/lua/luci/controller/*/*.lua');
+	let files = glob('/usr/share/luci/menu.d/*.json', '/usr/lib/lua/luci/controller/*.lua', '/usr/lib/lua/luci/controller/*/*.lua');
 	let cachefile;
 
 	if (indexcache) {