[feature/passwords] Do not check if type_map is empty

If the type map is empty the service container is incomplete or broken.
There is no need to check this as other components would probably be broken
at the same time.

PHPBB3-11610

phpBB/includes/crypto/manager.php

@@ -75,11 +75,6 @@ class phpbb_crypto_manager
 	*/
 	protected function fill_type_map($hashing_algorithms)
 	{
-		if ($this->type_map !== false)
-		{
-			return;
-		}
-
 		foreach ($hashing_algorithms as $algorithm)
 		{
 			if (!isset($this->type_map[$algorithm->get_prefix()]))
@@ -187,12 +182,6 @@ class phpbb_crypto_manager
 
 	public function check_hash($password, $hash)
 	{
-		if (!$this->type_map)
-		{
-			// This obviously shouldn't happen
-			return false;
-		}
-
 		// First find out what kind of hash we're dealing with
 		$stored_hash_type = $this->get_hashing_algorithm($hash);
 		if ($stored_hash_type == false)