fix xodo file sync bug

Author: theScrabi

owncloudComLibrary/src/main/java/com/owncloud/android/lib/resources/files/chunks/ChunkedUploadRemoteFileOperation.java

@@ -25,6 +25,7 @@
 package com.owncloud.android.lib.resources.files.chunks;
 
 import com.owncloud.android.lib.common.OwnCloudClient;
+import com.owncloud.android.lib.common.http.HttpConstants;
 import com.owncloud.android.lib.common.http.methods.webdav.PutMethod;
 import com.owncloud.android.lib.common.network.ChunkFromFileRequestBody;
 import com.owncloud.android.lib.common.operations.OperationCancelledException;
@@ -95,10 +96,6 @@ protected RemoteOperationResult uploadFile(OwnCloudClient client) throws Excepti
             } else {
                 mPutMethod = new PutMethod(new URL(uriPrefix + File.separator + chunkIndex), mFileRequestBody);
 
-                if (mRequiredEtag != null && mRequiredEtag.length() > 0) {
-                    mPutMethod.addRequestHeader(IF_MATCH_HEADER, "\"" + mRequiredEtag + "\"");
-                }
-
                 if (chunkIndex == chunkCount - 1) {
                     // Added a high timeout to the last chunk due to when the last chunk
                     // arrives to the server with the last PUT, all chunks get assembled