Fixes relative path in pom.xml

Signed-off-by: Santiago Pericas-Geertsen <[email protected]>

examples/microprofile/grpc/pom.xml

@@ -24,7 +24,7 @@
         <groupId>io.helidon.applications</groupId>
         <artifactId>helidon-mp</artifactId>
         <version>4.1.0-SNAPSHOT</version>
-        <relativePath>../../../applications/mp/pom.xml</relativePath>
+        <relativePath/>
     </parent>
     <groupId>io.helidon.examples.microprofile</groupId>
     <artifactId>helidon-examples-microprofile-grpc</artifactId>