Remove duplicated linker flag

We already set '-static' to LDFLAGS above no need to do it again here.

TEST=build with 'make' and 'make STATIC=1'. Check that 'STATIC=1' adds '-static' linker flag.
BUG=None

Change-Id: I83e23984753094af203432eb4570930085788398
Reviewed-on: https://chromium-review.googlesource.com/251151
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Anatol Pomazau <anatol@google.com>
Commit-Queue: Anatol Pomazau <anatol@google.com>
Tested-by: Anatol Pomazau <anatol@google.com>
diff --git a/Makefile b/Makefile
index dfa971c..c0c5f50 100644
--- a/Makefile
+++ b/Makefile
@@ -960,7 +960,6 @@
 .PHONY: cgpt
 cgpt: ${CGPT} ${CGPT_WRAPPER}
 
-${CGPT}: LDFLAGS += -static
 ${CGPT}: LDLIBS += -luuid
 
 ${CGPT}: ${CGPT_OBJS} ${UTILLIB}