Remove encryptedFields option when dropping collection (#2788)

The driver already detects encrypted collections

Author: GromNaN

lib/Doctrine/ODM/MongoDB/SchemaManager.php

@@ -699,14 +699,6 @@ public function dropDocumentCollection(string $documentName, ?int $maxTimeMs = n
 
         $options = $this->getWriteOptions($maxTimeMs, $writeConcern);
 
-        // When automatic encryption is enabled, we need to drop the metadata collections,
-        // we don't check if the class metadata has encrypted fields, because
-        // that does not mean that the existing collection is encrypted or not.
-        // "esc" and "ecoc" collections cannot be configured
-        if ($this->dm->getConfiguration()->getDefaultKmsProvider()) {
-            $options['encryptedFields'] = [];
-        }
-
         $this->dm->getDocumentCollection($documentName)->drop($options);
 
         if (! $class->isFile) {