Revert "temporarily remove plugins-release repo"

This reverts commit ee82f1e.

Author: martinlippert

eclipse-distribution/pom.xml

@@ -889,11 +889,11 @@
 			<name>Spring Repository</name>
 			<url>https://repo.spring.io/release/</url>
 		</pluginRepository>
-<!--		<pluginRepository>
+		<pluginRepository>
 			<id>spring-maven-plugin-release</id>
 			<name>Spring Repository</name>
 			<url>https://repo.spring.io/plugins-release/</url>
-		</pluginRepository> -->
+		</pluginRepository>
 <!--		<pluginRepository>
 			<id>spring-maven-release</id>
 			<name>Spring Maven Release Repository</name>