Remove single-threaded library support

It didn't work anyway.

src/uifc/GNUmakefile

@@ -19,12 +19,6 @@ include $(SRC_ROOT)/build/Common.gmake	# defines clean and output directory rule
 
 CFLAGS += -I$(XPDEV_SRC) $(CIOLIB-MT_CFLAGS) $(XPDEV-MT_CFLAGS)
 
-# UIFC Library Link Rule
-$(UIFCLIB_BUILD): ciolib $(OBJS)
-	@echo Creating $@ ...
-	$(QUIET)$(AR) rc $@ $(OBJS)
-	$(QUIET)$(RANLIB) $@
-
 # MT-UIFC Library Link Rule
 $(UIFCLIB-MT_BUILD): ciolib-mt $(MT_OBJS)
 	@echo Creating $@ ...

src/uifc/targets.mk

@@ -2,11 +2,10 @@ UIFCTEST	=	$(EXEODIR)$(DIRSEP)uifctest$(EXEFILE)
 UIFCLIB_BUILD	=	$(LIBODIR)$(DIRSEP)$(LIBPREFIX)uifc$(LIBFILE)
 UIFCLIB-MT_BUILD	=	$(LIBODIR)$(DIRSEP)$(LIBPREFIX)uifc_mt$(LIBFILE)
 
-all: lib mtlib test
+all: mtlib test
 
 test: xpdev-mt ciolib-mt mtlib $(EXEODIR) $(UIFCTEST)
 
-lib: $(OBJODIR) $(LIBODIR) $(UIFCLIB_BUILD)
 mtlib: $(MTOBJODIR) $(LIBODIR) $(UIFCLIB-MT_BUILD)
 
 # Library dependencies.