Cleaning up configuration comments.

application/config/application.php

@@ -33,9 +33,7 @@ return array(
 	|--------------------------------------------------------------------------
 	|
 	| The default language of your application. This language will be used by
-	| default by the Lang library when doing string localization.
-	|
-	| If you are not using the Lang library, this option isn't really important.
+	| Lang library as the default language when doing string localization.
 	|
 	*/
 
@@ -46,7 +44,7 @@ return array(
 	| Application Character Encoding
 	|--------------------------------------------------------------------------
 	|
-	| This default character encoding used by your application. This is the
+	| The default character encoding used by your application. This is the
 	| character encoding that will be used by the Str, Text, and Form classes.
 	|
 	*/
@@ -74,8 +72,6 @@ return array(
 	| random and secret. This key is used by the encryption class to generate
 	| secure, encrypted strings.
 	|
-	| If you will not be using the encryption class, this doesn't matter.
-	|
 	*/
 
 	'key' => '',