remove gitlab files and bump parent pom version

Author: Psilo

ci_settings.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>info.unterrainer.commons</groupId>
 		<artifactId>parent-pom</artifactId>
-		<version>0.1.2</version>
+		<version>0.1.3</version>
 	</parent>
 
 	<properties>