Intellij: suppress maven pom error

Signed-off-by: Andrew DeMaria <lostonamountain@gmail.com>

airsonic-main/pom.xml

@@ -557,6 +557,7 @@
                                 <copy file="${basedir}/src/main/resources/org/airsonic/player/i18n/ResourceBundle_en.properties"
                                       tofile="${project.build.directory}/classes/org/airsonic/player/i18n/ResourceBundle.properties"/>
                                 <echo file="${project.build.directory}/classes/build_number.txt">${buildNumber}</echo>
+                                <!--suppress MavenModelInspection -->
                                 <echo file="${project.build.directory}/classes/build_date.txt">${DSTAMP}</echo>
                                 <echo file="${project.build.directory}/classes/version.txt">${project.version}</echo>
                             </target>