Update tycho plugins; remove reference to old intalio repo
diff --git a/pom.xml b/pom.xml
index 1d43a9d..01f9f6b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
     <!-- this becomes the forced context7.3.0.qualifier
     <forceContextQualifier>M3-SNAPSHOT</forceContextQualifier> -->
 
-    <tycho-version>0.15.0</tycho-version>
+    <tycho-version>0.23.0</tycho-version>
 
     <jetty-version>9.1.0-SNAPSHOT</jetty-version>
     <jetty-osgi-servlet-api-version>3.1.0.M3</jetty-osgi-servlet-api-version>
@@ -49,18 +49,6 @@
     </profile>
   </profiles>
 
-  <pluginRepositories>
-     <pluginRepository>
-       <id>intalio-dash-plugins</id>
-       <url>http://intalio.org/public/maven2</url>
-       <snapshots>
-        <enabled>true</enabled>
-       </snapshots>
-       <releases>
-        <enabled>true</enabled>
-       </releases>
-     </pluginRepository>
-  </pluginRepositories>
 
   <!-- jetty osgi specific artifacts -->
   <dependencies>