Including source code takes too much space. Spigot file upload limit requires we remove it now.

pom.xml

@@ -70,11 +70,6 @@
                     <include>*.yml</include>
                 </includes>
             </resource>
-            <!-- OpenSource -->
-            <resource>
-                <directory>${project.build.sourceDirectory}</directory>
-                <filtering>false</filtering>
-            </resource>
         </resources>
     </build>