Remove salt from app config since it was only there for encryption anyway and isn't used anywhere.

Author: lonnieezell

app/Config/App.php

@@ -264,19 +264,4 @@ class App extends BaseConfig
 	*/
 	public $CSPEnabled = false;
 
-	/*
-	|--------------------------------------------------------------------------
-	| Application Salt
-	|--------------------------------------------------------------------------
-	|
-	| The $salt can be used anywhere within the application that you need
-	| to provide secure data. It should be different for every application
-	| and can be of any length, though the more random the characters
-	| the better.
-	|
-	*/
-	public $salt = '';
-
-	//--------------------------------------------------------------------
-
 }

system/Debug/Toolbar/Collectors/Config.php

@@ -60,7 +60,6 @@ public static function display(): array
 			'timezone'    => app_timezone(),
 			'locale'      => Services::request()->getLocale(),
 			'cspEnabled'  => $config->CSPEnabled,
-			'salt'        => $config->salt,
 		];
 	}
 }

system/Debug/Toolbar/Views/_config.tpl.php

@@ -44,17 +44,5 @@
 			<td>Content Security Policy Enabled:</td>
 			<td>{ if $cspEnabled } Yes { else } No { endif }</td>
 		</tr>
-		<tr>
-			<td>Salt Set?:</td>
-			<td>
-				{ if $salt == '' }
-					<div class="warning">
-						You have not defined an application-wide $salt. This could lead to a less secure site.
-					</div>
-				{ else }
-					Set
-				{ endif }
-			</td>
-		</tr>
 	</tbody>
 </table>