Merge branch 'ab/config-mak-uname-simplify'

Build configuration cleanup.

* ab/config-mak-uname-simplify:
  config.mak.uname: remove unused NEEDS_SSL_WITH_CURL flag
  config.mak.uname: remove unused the NO_R_TO_GCC_LINKER flag

Author: gitster

config.mak.uname

@@ -541,11 +541,6 @@ ifeq ($(uname_S),NONSTOP_KERNEL)
 	# removing the directory at OS releases J06.21 and L17.02.
 	# Default to the older rm until those two releases are deprecated.
 	RM = /bin/rm -f
-	# As detected by './configure'.
-	# Missdetected, hence commented out, see below.
-	#NO_CURL = YesPlease
-	# Added manually, see above.
-	NEEDS_SSL_WITH_CURL = YesPlease
 	NEEDS_CRYPTO_WITH_SSL = YesPlease
 	HAVE_DEV_TTY = YesPlease
 	HAVE_LIBCHARSET_H = YesPlease
@@ -636,7 +631,6 @@ ifneq (,$(wildcard ../THIS_IS_MSYSGIT))
 	prefix =
 	INSTALL = /bin/install
 	EXTLIBS += /mingw/lib/libz.a
-	NO_R_TO_GCC_LINKER = YesPlease
 	INTERNAL_QSORT = YesPlease
 	HAVE_LIBCHARSET_H = YesPlease
 	NO_GETTEXT = YesPlease
@@ -669,7 +663,6 @@ else
 			-fstack-protector-strong
 		EXTLIBS += -lntdll
 		INSTALL = /bin/install
-		NO_R_TO_GCC_LINKER = YesPlease
 		INTERNAL_QSORT = YesPlease
 		HAVE_LIBCHARSET_H = YesPlease
 		NO_GETTEXT =
@@ -695,7 +688,6 @@ ifeq ($(uname_S),QNX)
 	NO_MKDTEMP = YesPlease
 	NO_NSEC = YesPlease
 	NO_PTHREADS = YesPlease
-	NO_R_TO_GCC_LINKER = YesPlease
 	NO_STRCASESTR = YesPlease
 	NO_STRLCPY = YesPlease
 endif