Remove old comments

Author: garydgregory

src/conf/checkstyle/checkstyle.xml

@@ -15,12 +15,9 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
-
 <!DOCTYPE module PUBLIC
     "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
     "https://checkstyle.org/dtds/configuration_1_3.dtd">
-
-<!-- commons codec customization of default Checkstyle behavior -->
 <module name="Checker">
   <property name="localeLanguage" value="en" />
   <module name="NewlineAtEndOfFile" />