Remove function wrapper from development documentation. (#9027)

editions/dev/tiddlers/new/Filter Operators.tid

@@ -34,13 +34,11 @@ Suppose we want to make a filter operator that returns every other tiddler from
 We make a new tiddler, set its `type` and `module-type` appropriately, and begin writing the code:
 
 ```
-(function(){
 "use strict";
     
 exports.everyother = function(source, operator, options) {
     // TODO
 }
-})();
 ```
 
 For the example filter syntax, our function will be called with
@@ -54,7 +52,6 @@ As is usually the case, we don't care about `operator.operator` here (since that
 We could implement the operator by iterating over the input tiddlers and explicitly building a result array of titles:
 
 ```
-(function(){
 "use strict";
     
 exports.everyother = function(source, operator, options) {
@@ -66,7 +63,6 @@ exports.everyother = function(source, operator, options) {
     });
     return result;
 }
-})();
 ```
 
 That is, we supply a callback to `source` that negates `include` each time through (in order to grab every other result) and pushes the `title` of every other tiddler onto the result.
@@ -74,7 +70,6 @@ That is, we supply a callback to `source` that negates `include` each time throu
 Alternatively, we can return our own iterator, by returning a function that accepts a similar callback and only calls it on every other tiddler:
 
 ```
-(function(){
 "use strict";
     
 exports.everyother = function(source, operator, options) {
@@ -86,7 +81,6 @@ exports.everyother = function(source, operator, options) {
         });
     };
 }
-})();
 ```
 
 Either way, we could interpret the `!` flag on the filter, if present, to mean that we want the //other// half of the tiddlers, by using it to set the initial value of `include`: `var include = operator.prefix !== "!";`

editions/dev/tiddlers/new/Hook_ th-before-importing.tid

@@ -40,10 +40,7 @@ module-type: startup
 YOUR DISCRCRIPTION COMES HERE!
 
 \*/
-(function(){
 
-/*jslint node: true, browser: true */
-/*global $tw: false, exports: true */
 "use strict";
 
 // Export name and synchronous status
@@ -63,6 +60,4 @@ exports.startup = function() {
 	});
 };
 
-})();
-
 ```

editions/dev/tiddlers/new/ParserSubclassingMechanism.tid

@@ -11,10 +11,7 @@ The wikitext parser subclassing mechanism makes it possible for custom parsers t
 Here is an example of a subclass of the checkbox widget that adds logging to the event handler:
 
 ```js
-(function(){
 
-/*jslint node: true, browser: true */
-/*global $tw: false */
 "use strict";
 
 var WikiParser = require("$:/core/modules/parsers/wikiparser/wikiparser.js")["text/vnd.tiddlywiki"],
@@ -38,5 +35,4 @@ var MyCustomWikiParser = function(type,text,options) {
 
 exports["text/vnd.my-custom-type"] = MyCustomWikiParser;
 
-})();
 ```

editions/dev/tiddlers/new/WidgetSubclassingMechanism.tid

@@ -26,10 +26,7 @@ module-type: widget-subclass
 Widget base class
 
 \*/
-(function(){
 
-/*jslint node: true, browser: true */
-/*global $tw: false */
 "use strict";
 
 exports.baseClass = "checkbox"; // Extend the <$checkbox> widget
@@ -50,5 +47,4 @@ exports.prototype.handleChangeEvent = function(event) {
 	console.log("Checkbox status:",this.inputDomNode.checked);
 };
 
-})();
 ```