Build testing - disable tycho-p2-plugin

Change-Id: I09b909f64f3ae9c31a3e71f69d1e06641a842701
diff --git a/org.eclipse.emf.compare-parent/pom.xml b/org.eclipse.emf.compare-parent/pom.xml
index b601b93..e2c5d43 100644
--- a/org.eclipse.emf.compare-parent/pom.xml
+++ b/org.eclipse.emf.compare-parent/pom.xml
@@ -558,6 +558,19 @@
             </executions>
           </plugin>
           <plugin>
+            <groupId>org.eclipse.cbi.maven.plugins</groupId>
+            <artifactId>eclipse-jarsigner-plugin</artifactId>
+            <executions>
+              <execution>
+                <id>sign</id>
+                <phase>package</phase>
+                <goals>
+                  <goal>sign</goal>
+                </goals>
+              </execution>
+            </executions>
+          </plugin>
+          <plugin>
             <groupId>org.eclipse.tycho.extras</groupId>
             <artifactId>tycho-pack200b-plugin</artifactId>
             <executions>
@@ -570,22 +583,6 @@
               </execution>
             </executions>
           </plugin>
-          <plugin>
-            <groupId>org.eclipse.tycho</groupId>
-            <artifactId>tycho-p2-plugin</artifactId>
-            <executions>
-              <execution>
-                <id>p2-metadata</id>
-                <goals>
-                  <goal>p2-metadata</goal>
-                </goals>
-                <phase>verify</phase>
-              </execution>
-            </executions>
-            <configuration>
-              <defaultP2Metadata>false</defaultP2Metadata>
-            </configuration>
-          </plugin>
         </plugins>
       </build>
       <pluginRepositories>