Revert "Merge pull request #396 from sonudoo/download-interruption-android-bugfix"

This reverts commit 4305ef8175, reversing
changes made to d35fb73424.

android/src/main/java/com/RNFetchBlob/RNFetchBlobReq.java

                 }
                 break;
             case FileStorage:
-                ResponseBody responseBody = resp.body();
-
                 try {
                     // In order to write response data to `destPath` we have to invoke this method.
                     // It uses customized response body which is able to report download progress
                     // and write response data to destination path.
-                    responseBody.bytes();
+                    resp.body().bytes();
                 } catch (Exception ignored) {
 //                    ignored.printStackTrace();
                 }
-
-                RNFetchBlobFileResp rnFetchBlobFileResp = (RNFetchBlobFileResp) responseBody;
-
-                if(rnFetchBlobFileResp != null && rnFetchBlobFileResp.isDownloadComplete() == false){
-                    callback.invoke("RNFetchBlob failed. Download interrupted.", null);
-                }
-                else {
-                    this.destPath = this.destPath.replace("?append=true", "");
-                    callback.invoke(null, RNFetchBlobConst.RNFB_RESPONSE_PATH, this.destPath);
-                }
+                this.destPath = this.destPath.replace("?append=true", "");
+                callback.invoke(null, RNFetchBlobConst.RNFB_RESPONSE_PATH, this.destPath);
                 break;
             default:
                 try {

android/src/main/java/com/RNFetchBlob/Response/RNFetchBlobFileResp.java

         return originalBody.contentLength();
     }
 
-    public boolean isDownloadComplete() {
-        return bytesDownloaded == contentLength();
-    }
-
     @Override
     public BufferedSource source() {
         ProgressReportingSource countable = new ProgressReportingSource();