4265 remove INTERNAL_RELEASE_BUILD
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Approved by: Robert Mustacchi <rm@joyent.com>
4266 remove Makefile*.shared nonsense in uts
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Approved by: Robert Mustacchi <rm@joyent.com>
	[illumos-gate merge]

commit 2063d9c01c4a721994a3cb528444d7f328135869
    4266 remove Makefile*.shared nonsense in uts
commit 34ae5cdf42c9fd8bc75aedb3a91cc2fba8d5182c
    4265 remove INTERNAL_RELEASE_BUILD

Conflicts:
	usr/src/uts/intel/Makefile.intel
	usr/src/uts/intel/Makefile.intel.shared
	usr/src/uts/sparc/Makefile.sparc.shared