revert 'tweak for pdfiumless build'

commit 8d747b8c
Author: Caolán McNamara <caolanm@redhat.com>
Date:   Sat Apr 29 20:01:40 2017 +0100

    tweak for pdfiumless build

and lets see if

commit 6f53cf28
Author: Markus Mohrhard <markus.mohrhard@googlemail.com>
Date:   Sat Apr 29 05:11:40 2017 +0200

    apparently the executable does not need pdfium directly anymore

is sufficient here

Change-Id: I2bf381e1d51d851aa829730b3d13edb1c03ea873

xmlsecurity/Module_xmlsecurity.mk

@@ -46,13 +46,11 @@ $(eval $(call gb_Module_add_screenshot_targets,xmlsecurity,\
 ))
 
 ifneq (,$(filter DESKTOP,$(BUILD_TYPE)))
-ifneq (,$(filter PDFIUM,$(BUILD_TYPE)))
 
 $(eval $(call gb_Module_add_targets,xmlsecurity,\
     Executable_pdfverify \
 ))
 
-endif
 endif
 
 endif