Don't cripple the icu data

CorelDraw and MS Publisher importers use icu for conversions between
8-bit character sets and UTF8. In some cases even between UTF16 and
UTF8. Thus we need the relevant data. Use the default icu-provided
data for the while.

Change-Id: I053b37d875cacc6eaf9637404639f330a34ddb50

icu/Module_icu.mk

@@ -12,7 +12,6 @@ $(eval $(call gb_Module_Module,icu))
 ifeq ($(SYSTEM_ICU),NO)
 $(eval $(call gb_Module_add_targets,icu,\
 	UnpackedTarball_icu \
-	UnpackedTarball_icu_data \
 	ExternalPackage_icu \
 	ExternalProject_icu \
 ))