Revert r208353. It did not work as I expected because WITHOUT_MAN is set

for bootstrap-tools target and WITHOUT_MAN_UTILS was implied by default.

Pointy hat:	jkim

Makefile.inc1

@@ -961,10 +961,6 @@ _dtrace_tools= cddl/usr.bin/sgsmsg cddl/lib/libctf lib/libelf \
     lib/libdwarf cddl/usr.bin/ctfconvert cddl/usr.bin/ctfmerge
 .endif
 
-.if ${MK_MAN_UTILS} != "no"
-_makewhatis=	usr.bin/makewhatis
-.endif
-
 bootstrap-tools:
 .for _tool in \
     ${_dtrace_tools} \
@@ -973,7 +969,7 @@ bootstrap-tools:
     ${_groff} \
     ${_ar} \
     usr.bin/lorder \
-    ${_makewhatis} \
+    usr.bin/makewhatis \
     ${_mklocale} \
     usr.bin/rpcgen \
     ${_sed} \