Remove superfluous plugin repository declaration.

See #2871

Author: mp911de

pom.xml

@@ -576,15 +576,4 @@
 		</repository>
 	</repositories>
 
-	<pluginRepositories>
-		<pluginRepository>
-			<id>spring-plugins-release</id>
-			<url>https://repo.spring.io/plugins-release</url>
-		</pluginRepository>
-		<pluginRepository>
-			<id>spring-libs-milestone</id>
-			<url>https://repo.spring.io/libs-milestone</url>
-		</pluginRepository>
-	</pluginRepositories>
-
 </project>

settings.xml

@@ -4,11 +4,6 @@
                       https://maven.apache.org/xsd/settings-1.0.0.xsd">
 
 	<servers>
-		<server>
-			<id>spring-plugins-release</id>
-			<username>${env.ARTIFACTORY_USR}</username>
-			<password>${env.ARTIFACTORY_PSW}</password>
-		</server>
 		<server>
 			<id>spring-libs-snapshot</id>
 			<username>${env.ARTIFACTORY_USR}</username>
@@ -26,4 +21,4 @@
 		</server>
 	</servers>
 
-</settings>
+</settings>