codacy: Unused imports

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

src/main/java/com/owncloud/android/operations/UploadFileOperation.java

@@ -25,7 +25,6 @@ import android.accounts.Account;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.net.Uri;
-import android.os.Build;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.Pair;
@@ -87,7 +86,6 @@ import java.util.UUID;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import androidx.annotation.CheckResult;
-import androidx.annotation.RequiresApi;
 
 
 /**

src/main/java/com/owncloud/android/utils/FileStorageUtils.java

@@ -21,7 +21,6 @@ package com.owncloud.android.utils;
 
 import android.Manifest;
 import android.accounts.Account;
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
@@ -64,7 +63,6 @@ import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 
 import static android.os.Build.VERSION.SDK_INT;
 
-
 /**
  * Static methods to help in access to local file system.
  */