hgweb: eliminate extra complexity in process_dates definition

There was an extra anonymous outer function, called immediately. It is removed
in this patch.

mercurial/templates/static/mercurial.js

@@ -176,7 +176,7 b' function Graph() {'
 }
 
 
-process_dates = (function(document, RegExp, Math, isNaN, Date, _false, _true){
+function process_dates(){
 
 	// derived from code from mercurial/templatefilter.py
 
@@ -227,9 +227,9 b' process_dates = (function(document, RegE'
 
 		var delta = Math.floor((now.getTime() - once.getTime()) / 1000);
 
-		var future = _false;
+		var future = false;
 		if (delta < 0){
-			future = _true;
+			future = true;
 			delta = -delta;
 			if (delta > (30 * scales.year)){
 				return "in the distant future";
@@ -253,7 +253,6 b' process_dates = (function(document, RegE'
 		}
 	}
 
-	return function(){
 		var nodes = document.getElementsByTagName('*');
 		var ageclass = new RegExp('\\bage\\b');
 		var dateclass = new RegExp('\\bdate\\b');
@@ -272,7 +271,6 b' process_dates = (function(document, RegE'
 			}
 		}
 	}
-})(document, RegExp, Math, isNaN, Date, false, true)
 
 function toggleDiffstat() {
     var curdetails = document.getElementById('diffstatdetails').style.display;