private: removes collision check for tokens

this seems very unnecessary as the chance of this is 1 / 2^512

Signed-off-by: Philip Molares <philip.molares@udo.edu>

src/errors/errors.ts

@@ -15,7 +15,3 @@ export class ClientError extends Error {
 export class PermissionError extends Error {
   name = 'PermissionError';
 }
-
-export class RandomnessError extends Error {
-  name = 'RandomnessError';
-}