Revert "adding OC-ETag header"

This reverts commit 30ee8b6f.

lib/private/connector/sabre/file.php

@@ -247,7 +247,8 @@ class File extends \OC\Connector\Sabre\Node implements \Sabre\DAV\IFile {
 	 * @throws \Sabre\DAV\Exception\NotImplemented
 	 * @throws \Sabre\DAV\Exception\ServiceUnavailable
 	 */
-	private function createFileChunked($data) {
+	private function createFileChunked($data)
+	{
 		list($path, $name) = \Sabre\HTTP\URLUtil::splitPath($this->path);
 
 		$info = \OC_FileChunking::decodeName($name);
@@ -304,8 +305,6 @@ class File extends \OC\Connector\Sabre\Node implements \Sabre\DAV\IFile {
 					}
 				}
 
-				// mark chunking complete
-				$_SERVER['X-CHUNKING_COMPLETE'] = true;
 				$info = $this->fileView->getFileInfo($targetPath);
 				return $info->getEtag();
 			} catch (\OCP\Files\StorageNotAvailableException $e) {

lib/private/connector/sabre/filesplugin.php

@@ -174,24 +174,7 @@ class FilesPlugin extends \Sabre\DAV\ServerPlugin {
 			if (!is_null($fileId)) {
 				$this->server->httpResponse->setHeader('OC-FileId', $fileId);
 			}
-			$eTag = $this->getETag($node);
-			if (!is_null($eTag)) {
-				$this->server->httpResponse->setHeader('OC-ETag', $eTag);
-			}
-		}
-	}
-
-	/**
-	 * @param \OC\Connector\Sabre\Node $node
-	 */
-	private function getETag($node) {
-		if (isset($_SERVER['HTTP_OC_CHUNKED'])) {
-			if (isset($_SERVER['X-CHUNKING_COMPLETE'])) {
-				return $node->getETag();
-			}
-			return null;
 		}
-		return $node->getETag();
 	}
 
 }