Sun ld doesn't support -O1 optimize flag

reported by Gabriele Bulfon (gbulfon@sonicle)

Change-Id: Ie0ff8fe296054a7a266b4c73c30938bb2b7353ea
Reviewed-on: https://gerrit.libreoffice.org/14484Tested-by: Michael Stahl <mstahl@redhat.com>
Reviewed-by: Michael Stahl <mstahl@redhat.com>

solenv/gbuild/platform/solaris.mk

@@ -83,11 +83,8 @@ gb_LinkTarget_LDFLAGS += \
 
 endif
 
-ifneq ($(gb_DEBUGLEVEL),0)
+# sun ld doesn't understand -O1 optimize flag
 gb_LINKEROPTFLAGS :=
-else
-gb_LINKEROPTFLAGS := -Wl,-O1
-endif
 
 ifeq ($(gb_SYMBOL),$(true))
 gb_LINKERSTRIPDEBUGFLAGS :=