Update graph500-26-csr/schema.cypher

Remove storage path so it defaults to the prefix of schema.cypher URL when accessing remotely.

graph500-26-csr/schema.cypher

@@ -1,2 +1,2 @@
-CREATE NODE TABLE graph500_26(id INT64, PRIMARY KEY(id)) WITH (storage = './graph500-26-csr', format = 'icebug-disk');
-CREATE REL TABLE graph500_26_rel(FROM graph500_26 TO graph500_26) WITH (storage = './graph500-26-csr', format = 'icebug-disk');
+CREATE NODE TABLE graph500_26(id INT64, PRIMARY KEY(id)) WITH (format = 'icebug-disk');
+CREATE REL TABLE graph500_26_rel(FROM graph500_26 TO graph500_26) WITH (format = 'icebug-disk');