In my case I wrote a simple batch file to remove the ones I wasn't interested in, and then went through the remaining ones manually:
del *(E)*.*
del *[b2]*.*
del *[b3]*.*
del *T-Fre*.*
del *T-Itl*
del *(vs)*
So on and so forth.
Then I used Bulk Rename Utility to quickly get rid of various...