Remove unused @dcc/rdf-canonize package.json entry.

Author: dmitrizagidulin

package.json

@@ -31,7 +31,6 @@
   ],
   "dependencies": {
     "@digitalbazaar/http-client": "^4.1.1",
-    "@digitalcredentials/rdf-canonize": "^1.0.0",
     "canonicalize": "^1.0.1",
     "lru-cache": "^6.0.0",
     "rdf-canonize": "^4.0.1"