exclude .flattened-pom.xml

pom.xml

@@ -270,6 +270,7 @@
                         <!-- see https://github.com/ec4j/editorconfig-linters/blob/master/editorconfig-lint-api/src/main/java/org/ec4j/lint/api/Constants.java#L37 -->
                         <!-- You can exclude further files from processing: -->
                         <exclude>**/*.txt</exclude>
+                        <exclude>**/.flattened-pom.xml</exclude>
                     </excludes>
                     <!-- All files are included by default:
                     <includes>
@@ -343,7 +344,7 @@
         </profile>
 
         <!-- Use mvn -P stage to enable the remote apache-stage repo -->
-        <profile>
+         <profile>
             <id>stage</id>
             <repositories>
                 <repository>