Did you try v.edit:
https://grass.osgeo.org/grass72/manuals/v.edit.html
Cheers
Stefan

From: grass-user [mailto:[email protected]] On Behalf Of 
Johannes Radinger
Sent: torsdag 9. november 2017 10.04
To: GRASS user list <[email protected]>
Subject: [GRASS-user] GRASS-way to delete points from a map and attribute table

Hi,

what would be the most GRASS-like way to delete several points from a points 
vector map.

I know the specific cats of the points I would like to delete (10 of 200000) 
and I want to delete the points from the map and, of course, also from the 
corresponding attribute table. I already tried v.edit but here the points are 
not deleted from the attribute table. I could also use v.extract with the 
reverse flag, however this requires to define a new output map (which I would 
like to avoid if possible). Any straight forward way in GRASS?

/Johannes
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