fix: remove unused code (#1664)

Author: elharo

google-api-client/src/test/java/com/google/api/client/googleapis/batch/BatchRequestTest.java

@@ -273,16 +273,6 @@ public boolean handleResponse(
     }
   }
 
-  @Deprecated
-  private static class MockExponentialBackOffPolicy extends ExponentialBackOffPolicy {
-    public MockExponentialBackOffPolicy() {}
-
-    @Override
-    public long getNextBackOffMillis() {
-      return 0;
-    }
-  }
-
   private static class MockTransport extends MockHttpTransport {
 
     final boolean testServerError;

google-api-client/src/test/java/com/google/api/client/googleapis/util/UtilsTest.java

@@ -17,10 +17,6 @@
 import com.google.api.client.http.HttpTransport;
 import com.google.api.client.http.javanet.NetHttpTransport;
 import com.google.api.client.json.JsonFactory;
-import java.io.IOException;
-import java.net.URLDecoder;
-import java.util.HashMap;
-import java.util.Map;
 import junit.framework.TestCase;
 
 /**
@@ -44,19 +40,4 @@ public void testGetDefaultTransport() {
     HttpTransport secondCall = Utils.getDefaultTransport();
     assertSame(transport, secondCall);
   }
-
-  public static Map<String, String> parseQuery(String query) throws IOException {
-    Map<String, String> map = new HashMap<String, String>();
-    String[] entries = query.split("&");
-    for (String entry : entries) {
-      String[] sides = entry.split("=");
-      if (sides.length != 2) {
-        throw new IOException("Invalid Query String");
-      }
-      String key = URLDecoder.decode(sides[0], "UTF-8");
-      String value = URLDecoder.decode(sides[1], "UTF-8");
-      map.put(key, value);
-    }
-    return map;
-  }
 }