Remove outdated Udio plugin references and related code

pom.xml

@@ -61,8 +61,11 @@
                 <artifactId>flyway-maven-plugin</artifactId>
                 <version>11.20.3</version>
                 <configuration>
+                    <!--suppress UnresolvedMavenProperty -->
                     <url>${env.FLYWAY_URL}</url>
+                    <!--suppress UnresolvedMavenProperty -->
                     <user>${env.FLYWAY_USER}</user>
+                    <!--suppress UnresolvedMavenProperty -->
                     <password>${env.FLYWAY_PASSWORD}</password>
                 </configuration>
             </plugin>