removed deprecated stuff

Author: dg

src/Forms/Container.php

@@ -326,11 +326,7 @@ public function addInteger(string $name, $label = null): Controls\TextInput
 	 */
 	public function addUpload(string $name, $label = null): Controls\UploadControl
 	{
-		if (func_num_args() > 2) {
-			trigger_error(__METHOD__ . '() parameter $multiple is deprecated, use addMultiUpload()', E_USER_DEPRECATED);
-			$multiple = func_get_arg(2);
-		}
-		return $this[$name] = new Controls\UploadControl($label, $multiple ?? false);
+		return $this[$name] = new Controls\UploadControl($label, false);
 	}
 
 

src/Forms/Controls/BaseControl.php

@@ -531,13 +531,6 @@ public function cleanErrors(): void
 	}
 
 
-	/** @deprecated */
-	public static function enableAutoOptionalMode(): void
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-	}
-
-
 	/********************* user data ****************d*g**/