Condense conditional in find_imports_start_line_index
Condense conditional in find_imports_start_line_index

Instead of having an entire conditional, we can shorten this
considerably.

lencioni/import-js,trotzig/import-js,trotzig/import-js,trotzig/import-js,lencioni/import-js,lencioni/import-js,Galooshi/import-js