docs(guide/directive): delete redundant 'the'

Closes angular#15891

Author: atefBB

docs/content/guide/directive.ngdoc

@@ -123,7 +123,7 @@ The other forms shown above are accepted for legacy reasons but we advise you to
 `$compile` can match directives based on element names (E), attributes (A), class names (C),
 and comments (M).
 
-The built-in the AngularJS directives show in their documentation page which type of matching they support.
+The built-in AngularJS directives show in their documentation page which type of matching they support.
 
 The following demonstrates the various ways a directive (`myDir` in this case) that matches all
 4 types can be referenced from within a template.