remove incorrect remark about parentheses

(As confirmed by Matan Lurey.)

Author: chalin

public/docs/ts/latest/guide/pipes.jade

@@ -108,19 +108,11 @@ figure.image-display
 +makeExample('pipes/ts/app/app.component.html', 'chained-birthday')(format=".")
 
 :marked
-  If we pass a parameter to a filter, we have to add parentheses
-  to help the template compiler with the evaluation order.
-  The following example displays
-  **<samp>FRIDAY, APRIL 15, 1988</samp>**
+  This example &mdash; which displays **<samp>FRIDAY, APRIL 15, 1988</samp>** &mdash;
+  chains the same pipes as above, but passes in a parameter to `date` as well.
 
 +makeExample('pipes/ts/app/app.component.html', 'chained-parameter-birthday')(format=".")
 
-:marked
-  We can add parentheses to alter the evaluation order or
-  to provide extra clarity:
-
-+makeExample('pipes/ts/app/app.component.html', 'chained-parameter-birthday-parens')(format=".")
-
 .l-main-section
 :marked
   ## Custom Pipes
@@ -465,7 +457,7 @@ a(id="no-filter-pipe")
 
   The minification hazard is also compelling if less obvious. Imagine a sorting pipe applied to a list of heroes.
   We might sort the list by hero `name` and `planet` of origin properties something like this:
-code-example(format="." language="html")
+code-example(language="html")
   &lt;!-- NOT REAL CODE! -->
   &lt;div *ngFor="let hero of heroes | orderBy:'name,planet'">&lt;/div>
 :marked