Remove the specialized copy of libtool which was used for linking to uClibc++, which is now removed. Also remove references to the deprecated fixup targets that invoked this specialized libtool, which no package uses. Ref:6b2ed6101("uclibc++: remove") Ref:c10515db6("re-enable the libtool PKG_BUILD_DEPENDS for PKG_FIXUP") Ref:246a5b334("More libtool madness") Signed-off-by: Michael Pratt <mcpratt@pm.me>