In many cases the deviation vectors can be used to effectively identify outliers and bad measurements. When a relationship is displaying Auto-vectors the vectors are directly tied to the points that generate them and can be used for this purpose.
Select the vectors to delete by holding shift and rectangle selecting in the graphics or using one of the other graphical selection tools (the vector end points is used for selection). This will remove both the vector and the corresponding cloud point.
Note that relationships often have subsampling enabled. As vectors are deleted new vectors will appear as the larger cloud is resampled. Therefore, editing the relationship subsampling to use i=1 will make this operation more effective.
Use this command with caution as cleaning up what appears to be bad data can often times obscure an incorrect alignment or an actual problem with the part being inspected.