Do not specify minor ruby version for rvm in travis

[ShockwaveNN]

This helps not to perform commit like this:
2ccd9bd

or

ef8eb44

[sds]

Thanks. This wasn't always possible with the newer Ruby versions. Glad it works now.

[ShockwaveNN]

Yep, I've noticed this feature not a long time ago in some repo and this made my life much easier)

…

On Thu, Sep 26, 2019, 20:07 Shane da Silva ***@***.***> wrote: Thanks. This wasn't always possible with the newer Ruby versions. Glad it works now. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#673?email_source=notifications&email_token=AAFDG3B2YZ6556BRMDFYCWTQLTT4HA5CNFSM4I2WV6TKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOD7WJHMI#issuecomment-535598001>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AAFDG3CRLYDLDMBC54VF6F3QLTT4HANCNFSM4I2WV6TA> .