Merge branch '2' into 'master'

#2: remove Makefile

See merge request hpc/hpc-bin!4

Makefile

-# -----------------------------------------------------------------------------
-#
-# (c) 2009 The University of Glasgow
-#
-# This file is part of the GHC build system.
-#
-# To understand how the build system works and how to modify it, see
-#      https://gitlab.haskell.org/ghc/ghc/wikis/building/architecture
-#      https://gitlab.haskell.org/ghc/ghc/wikis/building/modifying
-#
-# -----------------------------------------------------------------------------
-
-dir = utils/hpc
-TOP = ../..
-include $(TOP)/mk/sub-makefile.mk