Drop now unneeded FILESDIR and S variables from various recipes

meta/packages/apt/apt-native.inc

@@ -2,7 +2,6 @@ require apt.inc
 inherit native
 
 DEPENDS += "dpkg-native gettext-native"
-FILESDIR = "${@os.path.dirname(bb.data.getVar('FILE',d,1))}/apt-${PV}"
 PACKAGES = ""
 USE_NLS = "yes"
 

meta/packages/apt/apt.inc

@@ -7,8 +7,6 @@ SRC_URI = "${DEBIAN_MIRROR}/main/a/apt/apt_${PV}.tar.gz \
            file://use-host.patch;patch=1 \
            "
 
-S = "${WORKDIR}/apt-${PV}"
-
 inherit autotools gettext
 
 EXTRA_AUTORECONF = "--exclude=autopoint,autoheader"