[newlib-cygwin] Cygwin: Drop do-nothing install_target target

[Jon TURNEY <jturney@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=0c3c451ae3ab23a4558cdbf230d06db39402ec6e

commit 0c3c451ae3ab23a4558cdbf230d06db39402ec6e
Author: Jon Turney <jon.turney@dronecode.org.uk>
Date:   Mon Oct 19 14:34:35 2020 +0100

    Cygwin: Drop do-nothing install_target target

Diff:
---
 winsup/cygwin/Makefile.in    | 7 ++-----
 winsup/testsuite/Makefile.in | 2 +-
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/winsup/cygwin/Makefile.in b/winsup/cygwin/Makefile.in
index 4535cfc6e..dad526b74 100644
--- a/winsup/cygwin/Makefile.in
+++ b/winsup/cygwin/Makefile.in
@@ -569,7 +569,7 @@ exec_CFLAGS:=-fno-builtin-execve
 fhandler_proc_CFLAGS+=-DUSERNAME="\"$(USER)\"" -DHOSTNAME="\"$(HOSTNAME)\""
 fhandler_proc_CFLAGS+=-DGCC_VERSION="\"`$(CC) -v 2>&1 | tail -n 1`\""
 
-.PHONY: all force dll_ofiles install all_target install_target all_host \
+.PHONY: all force dll_ofiles install all_target all_host \
 	install install-libs install-headers \
 	clean distclean realclean maintainer-clean
 
@@ -583,8 +583,7 @@ all_host: $(TEST_LIB_NAME)
 
 force:
 
-install: install-libs install-headers install-man install-ldif install_target \
-	$(install_target)
+install: install-libs install-headers install-man install-ldif
 
 uninstall: uninstall-libs uninstall-headers uninstall-man
 
@@ -625,8 +624,6 @@ install-ldif:
 	@$(MKDIRP) $(DESTDIR)$(datarootdir)/cygwin
 	$(INSTALL_DATA) $(srcdir)/cygwin.ldif $(DESTDIR)$(datarootdir)/cygwin
 
-install_target:
-
 uninstall-libs: $(TARGET_LIBS)
 	rm -f $(bindir)/$(DLL_NAME); \
 	for i in $^; do \
diff --git a/winsup/testsuite/Makefile.in b/winsup/testsuite/Makefile.in
index 050d5b164..1b0d0de59 100644
--- a/winsup/testsuite/Makefile.in
+++ b/winsup/testsuite/Makefile.in
@@ -82,7 +82,7 @@ override COMPILE_CC:=${filter-out -O%,$(COMPILE_CC)}
 override CFLAGS:=${filter-out -O%,$(CFLAGS)}
 export CFLAGS
 
-.PHONY: all force dll_ofiles install all_target install_target
+.PHONY: all force dll_ofiles install all_target
 
 .SUFFIXES:
 .SUFFIXES: .c .cc .def .a .o .d