libgpg-error doesn't need RPATH at all

...as it doesn't link against any of our libs

Change-Id: Iaf0df9d5dc5eefb976d2041f24b2921cb3e3b1ba
Reviewed-on: https://gerrit.libreoffice.org/50953Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

external/libgpg-error/ExternalProject_libgpg-error.mk

@@ -38,9 +38,6 @@ $(call gb_ExternalProject_get_state_target,libgpg-error,build):
 			--disable-rpath \
 			--disable-languages \
 			--disable-doc \
-			$(if $(filter LINUX,$(OS)), \
-				'LDFLAGS=-Wl$(COMMA)-z$(COMMA)origin \
-					-Wl$(COMMA)-rpath$(COMMA)\$$$$ORIGIN') \
 			CPPFLAGS=" $(SOLARINC)" \
 			$(if $(filter MSC,$(COM)),--force_use_syscfg=true) \
 			$(if $(CROSS_COMPILING),--build=$(BUILD_PLATFORM) --host=$(HOST_PLATFORM)) \