It's clear from the image that the points are sequentially numbered. This means you can easily connect them together into lines using the Points to Path tool. Use the "ID" field as the Order field.
This will give you a single line that looks something like this:
(You didn't show the full data extent, so I'm just guessing at what the ends of the lines would look like.)
Now use the
Split features tool (Advanced Digitizing Toolbar) to manually split this long line apart so that each "pass" of the combine is a separate line feature. Split it about where the red lines are in this image:
Select the "not OK" line, the one that's too close to the nearby passes of the combine.
If you only have a few lines like in the example, use the Select Features tool (Attributes toolbar) to manually select it.
If you have many (tens or hundreds) of lines, use the
Select by Expression tool (Processing toolbox) to select all lines that are closer together than 10m. Use this expression:
intersects( $geometry, buffer(difference( $geometry, collect( $geometry)), 5))
Note: You might want to substitute a smaller buffer distance than 5m, to account for some variation in the data. Eg, if lines that are actually 9m apart instead of 10m apart are acceptable, use a buffer distance of 4.5m.
Notice that in addition to the "not OK" line, this method also selects the two "OK" lines that that line is close to. You'll have to manually remove all the "OK" lines from the selection, by using the Select Features tool while holding down the Ctrl key.
Select by location tool (Processing toolbox) to select the points that intersect the "not OK" line you just selected.
The safest method (in terms of preserving your source data) is to invert the selection (open the attribute table and click the invert selection button, or hit Ctrl+R) and export the selected features to a separate layer. The faster method is to delete the selected points from the point layer if you're absolutely certain you won't need them later.