Remove CloseDB method from Keybase interface

[jgimeno]

There is no issue, was commented in a call with @alessio.

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[alexanderbez]

ACK -- I assume we didn't need this? Can you confirm @alessio ?

[alessio]

Correct, we don't need it @alexanderbez. It's a leftover dating back to the time when we hadn't yet implemented the lazy keybase.

[alessio]

The change should be mentioned in the API Breaking Changes stanza; looks good otherwise

[codecov]

Codecov Report

Merging #5820 into master will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #5820   +/-   ##
=======================================
  Coverage   32.51%   32.51%           
=======================================
  Files         346      346           
  Lines       39016    39012    -4     
=======================================
- Hits        12685    12684    -1     
+ Misses      25064    25061    -3     
  Partials     1267     1267           

[alessio]

Good to go