remove "limit" on route amount as it is not enforced

[1ARdotNO]

remove "limit" on route amount as it is not enforced, zerotier also changed this limit recently to 128 on their implmentation of the controller, showing that having a limit here is probably not neccessary.

Pull Request type

Please check the type of change your PR introduces:

• [ x] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, renaming)
• [ ] Refactoring (no functional changes, no API changes)
• [ ] Build-related changes
• [ ] Documentation content changes
• [ ] Other (please describe):

What is the current behavior?

Issue Number: N/A

What is the new behavior?

-

-

Does this introduce a breaking change?

• [ ] Yes
• [ x] No

Other information

[dec0dOS]

I think It should be changed to 128. https://github.com/zerotier/ZeroTierOne/commit/440568a5165181c5ae602e4edca2a73202bfd453 ZeroTier has limit to 128 currently.

[1ARdotNO]

Updated pull with /128

[dec0dOS]

Thanks, @OvrAp3x!