Implement remote graph drop procedure

Author: soerenreichardt

core/src/main/java/org/neo4j/gds/core/loading/GraphNotFoundException.java

@@ -26,7 +26,7 @@
 public class GraphNotFoundException extends NoSuchElementException {
     private final GraphStoreCatalog.UserCatalog.UserCatalogKey userCatalogKey;
 
-    GraphNotFoundException(GraphStoreCatalog.UserCatalog.UserCatalogKey userCatalogKey) {
+    public GraphNotFoundException(GraphStoreCatalog.UserCatalog.UserCatalogKey userCatalogKey) {
         super(
             formatWithLocale(
                 "Graph with name `%s` does not exist on database `%s`. It might exist on another database.",