remove OKTETO_TOKEN warning

[rberrelleza]

Remove the OKTETO_TOKEN deprecation since it confused from other errors.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@2062e42). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #769   +/-   ##
=========================================
  Coverage          ?   31.99%           
=========================================
  Files             ?       62           
  Lines             ?     4819           
  Branches          ?        0           
=========================================
  Hits              ?     1542           
  Misses            ?     3158           
  Partials          ?      119

Impacted Files	Coverage Δ
pkg/okteto/auth.go	19.04% <ø> (ø)

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