[modbus] Moved modbus transport from addons to core (#9268)

Signed-off-by: Kai Kreuzer <kai@openhab.org>

bundles/org.openhab.binding.modbus.e3dc/pom.xml

@@ -21,11 +21,5 @@
       <version>${project.version}</version>
       <scope>provided</scope>
     </dependency>
-    <dependency>
-      <groupId>org.openhab.addons.bundles</groupId>
-      <artifactId>org.openhab.io.transport.modbus</artifactId>
-      <version>${project.version}</version>
-      <scope>provided</scope>
-    </dependency>
   </dependencies>
 </project>