[Misc] Remove remaining empty checkstyle suppressions

xwiki-platform-core/xwiki-platform-livedata/xwiki-platform-livedata-livetable/pom.xml

@@ -33,7 +33,6 @@
   <description>Adds support for reusing existing Live Table results as a Live Data source.</description>
   <properties>
     <xwiki.jacoco.instructionRatio>0.95</xwiki.jacoco.instructionRatio>
-    <checkstyle.suppressions.location>${basedir}/src/checkstyle/checkstyle-suppressions.xml</checkstyle.suppressions.location>
     <!-- Name to display by the Extension Manager -->
     <xwiki.extension.name>Live Data - Live Table Connector</xwiki.extension.name>
   </properties>

xwiki-platform-core/xwiki-platform-livedata/xwiki-platform-livedata-livetable/src/checkstyle/checkstyle-suppressions.xml

-<?xml version="1.0" encoding="UTF-8"?>
-
-<!--
-  ~ See the NOTICE file distributed with this work for additional
-  ~ information regarding copyright ownership.
-  ~
-  ~ This is free software; you can redistribute it and/or modify it
-  ~ under the terms of the GNU Lesser General Public License as
-  ~ published by the Free Software Foundation; either version 2.1 of
-  ~ the License, or (at your option) any later version.
-  ~
-  ~ This software is distributed in the hope that it will be useful,
-  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  ~ Lesser General Public License for more details.
-  ~
-  ~ You should have received a copy of the GNU Lesser General Public
-  ~ License along with this software; if not, write to the Free
-  ~ Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-  ~ 02110-1301 USA, or see the FSF site: http://www.fsf.org.
-  -->
-
-<!DOCTYPE suppressions PUBLIC
-    "-//Puppy Crawl//DTD Suppressions 1.0//EN"
-    "http://www.puppycrawl.com/dtds/suppressions_1_0.dtd">
-
-<suppressions>
-</suppressions>