[GHC] #15439: Refactor `printMinimalImports` into two functions and reexport them

[GHC]

#15439: Refactor `printMinimalImports` into two functions and reexport them
-------------------------------------+-------------------------------------
        Reporter:  chshersh          |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  GHC API           |              Version:  8.4.3
      Resolution:                    |             Keywords:
                                     |  imports,refactoring,source plugins
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by simonpj):

 I'm all for it.  Send a patch?  Thanks!

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15439#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler