fix codacy warnings after rebase

src/com/owncloud/android/operations/SynchronizeFileOperation.java

@@ -24,7 +24,6 @@ package com.owncloud.android.operations;
 import android.accounts.Account;
 import android.content.Context;
 import android.content.Intent;
-import android.util.Log;
 
 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.files.services.FileDownloader;

src/com/owncloud/android/services/SyncFolderHandler.java

@@ -78,7 +78,7 @@ class SyncFolderHandler extends Handler {
      * @param account       ownCloud account where the remote folder is stored.
      * @param remotePath    The path to a folder that could be in the queue of synchronizations.
      */
-    boolean isSynchronizing(Account account, String remotePath) {
+    private boolean isSynchronizing(Account account, String remotePath) {
         if (account == null || remotePath == null) {
             return false;
         }

src/com/owncloud/android/ui/fragment/EditShareFragment.java

@@ -104,7 +104,7 @@ public class EditShareFragment extends Fragment {
             mShare = getArguments().getParcelable(ARG_SHARE);
             mFile = getArguments().getParcelable(ARG_FILE);
             /* OC account holding the shared file, received as a parameter in construction time */
-            Account mAccount = getArguments().getParcelable(ARG_ACCOUNT);
+            //Account mAccount = getArguments().getParcelable(ARG_ACCOUNT);
         }
     }
 

src/com/owncloud/android/ui/helpers/FileOperationsHelper.java

@@ -52,10 +52,8 @@ import com.owncloud.android.ui.dialog.ShareLinkToDialog;
 
 import java.io.BufferedReader;
 import java.io.FileInputStream;
-import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
-import java.nio.charset.StandardCharsets;
 import java.util.Collection;
 import java.util.List;
 import java.util.regex.Matcher;