Remove stale dependency on ufsread.c

Remove the now-useless dependency on ufsread.c. In some cases, it was
on the wrong file. But in all cases, we now automatically generate
.depend files, so we don't need it explicitly.

Sponsored by: Netflix

stand/efi/boot1/Makefile

@@ -106,8 +106,6 @@ boot1.efi: ${PROG}
 		-j .rela.dyn -j .reloc -j .eh_frame \
 		--output-target=${EFI_TARGET} ${.ALLSRC} ${.TARGET}
 
-boot1.o: ${SASRC}/ufsread.c
-
 # The following inserts our objects into a template FAT file system
 # created by generate-fat.sh
 

stand/i386/gptboot/Makefile

@@ -67,8 +67,6 @@ gptboot.bin: gptboot.out
 gptboot.out: ${BTXCRT} gptboot.o sio.o crc32.o drv.o cons.o ${OPENCRYPTO_XTS}
 	${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBGELIBOOT} ${LIBSA32}
 
-gptboot.o: ${SASRC}/ufsread.c
-
 .include <bsd.prog.mk>
 
 # XXX: clang integrated-as doesn't grok .codeNN directives yet

stand/powerpc/boot1.chrp/Makefile

@@ -34,7 +34,5 @@ boot1.hfs: boot1.elf bootinfo.txt
 
 CLEANFILES+= boot1.hfs
 
-boot1.o: ${SASRC}/ufsread.c
-
 .include <bsd.prog.mk>
 

stand/sparc64/boot1/Makefile

@@ -27,6 +27,4 @@ ${FILES}: boot1.aout
 boot1.aout: boot1.elf
 	elf2aout -o ${.TARGET} ${.ALLSRC}
 
-boot1.o: ${SASRC}/ufsread.c
-
 .include <bsd.prog.mk>