libtool: Drop obsolete configure/compile prepends

The introduction of sstate and recipe specific sysroots made the configure
prepends obsolete and unneeded. The compile prepend has been there for over
a decade and is also likely obsolete. Remove the whole lot, we look into any
issues that arise.

(From OE-Core rev: d6a22998e47bcceee3fc3edc72eb2df2970dabfa)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/libtool/libtool-2.5.0.inc

@@ -24,13 +24,6 @@ SRC_URI = "https://alpha.gnu.org/gnu/libtool/libtool-${PV}.tar.gz \
 
 SRC_URI[sha256sum] = "d438c317455d85554ce2f998be48866fd40cfcbf834d60b3026f4fc0ed583d23"
 
-do_compile:prepend () {
-	# Sometimes this file doesn't get rebuilt, force the issue
-	rm -f ${S}/build-aux/ltmain.sh
-	make build-aux/ltmain.sh
-	./config.status
-}
-
 inherit autotools texinfo
 EXTRA_AUTORECONF = "--exclude=libtoolize"
 

meta/recipes-devtools/libtool/libtool-cross_2.5.0.bb

@@ -7,13 +7,6 @@ datadir = "${STAGING_DIR_TARGET}${target_datadir}"
 
 inherit nopackages
 
-do_configure:prepend () {
-	# Remove any existing libtool m4 since old stale versions would break
-	# any upgrade
-	rm -f ${STAGING_DATADIR}/aclocal/libtool.m4
-	rm -f ${STAGING_DATADIR}/aclocal/lt*.m4
-}
-
 #
 # ccache may or may not be INHERITED, we remove references to it so the sstate
 # artefact works on a machine where its not present. libtool-cross isn't used

meta/recipes-devtools/libtool/libtool-native_2.5.0.bb

@@ -4,13 +4,6 @@ DEPENDS = ""
 
 inherit native
 
-do_configure:prepend () {
-	# Remove any existing libtool m4 since old stale versions would break
-	# any upgrade
-	rm -f ${STAGING_DATADIR}/aclocal/libtool.m4
-	rm -f ${STAGING_DATADIR}/aclocal/lt*.m4
-}
-
 do_install () {
 	autotools_do_install
 	install -d ${D}${bindir}/

meta/recipes-devtools/libtool/nativesdk-libtool_2.5.0.bb

@@ -9,13 +9,6 @@ inherit nativesdk
 S = "${WORKDIR}/libtool-${PV}"
 FILES:${PN} += "${datadir}/libtool/*"
 
-do_configure:prepend () {
-	# Remove any existing libtool m4 since old stale versions would break
-	# any upgrade
-	rm -f ${STAGING_DATADIR}/aclocal/libtool.m4
-	rm -f ${STAGING_DATADIR}/aclocal/lt*.m4
-}
-
 do_install () {
 	autotools_do_install
 	install -d ${D}${bindir}/