Happily, these are simple edits.
Go into the "Behavior Functions".
View the full "Behav", as it's called, in the "plugin view". (If you don't know where that is, a quick google for "Behav Plugin View Simpe" will help).
This will show a series of gray boxes linked with green and red arrows.
The behavs you want are labeled with the months of the year.
To remove the boxes that contain the dialogues you don't want (which will be labeled "Dialogue", followed by the text it will show), you'll want to redirect the arrow connections in the behav to flow around it.
In these behavs, this generally just means finding the box which is pointing to the "Dialogue", and instead telling that box to "Return True" -- that is, type "true" into the text input area labeled "True Target", to redirect the arrow from the "Dialogue" outward.
This object expects the bits of code that are named after the months of the year to all "Return True", or they will throw errors.
I'm not the best programmer in the world, and I don't have time to take screenshots right now, but maybe that helps a little?
I'm trying not to be too jargon-y in the explanation, but I fear I've made it more complicated as a result.
They really are nice simple edits, and this is a great object to start into behav editing with. If this is confusing, it's totally my fault not yours.