Import multiple .dta files, remove haven labelled fomat, create a dataframe from all imported dta files

Obviously we don't need all hundred files (or even the entirety of any one file), but it's going to be hard to troubleshoot this without some sort of reproducible example.

Could you please turn this into a self-contained reprex (short for reproducible example)?

There's a nice FAQ on how to do a minimal reprex for beginners, below:

For pointers specific to the community site, check out the reprex FAQ.