autotools.bbclass: Drop info directory listings as they're going to be broken if generated at this point and cause file conflicts

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

meta/classes/autotools.bbclass

@@ -158,6 +158,10 @@ autotools_do_configure() {
 
 autotools_do_install() {
 	oe_runmake 'DESTDIR=${D}' install
+	# Info dir listing isn't interesting at this point so remove it if it exists.
+	if [ -e "${D}${infodir}/dir" ]; then
+		rm -f ${D}${infodir}/dir
+	fi
 }
 
 inherit siteconfig