Remove use of devmapper library by the blkid library

The devmapper library is no longer needed given commit f4e89bcd.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/debian/rules b/debian/rules
index 92295e9..4175619 100755
--- a/debian/rules
+++ b/debian/rules
@@ -106,7 +106,6 @@
 endif
 
 ifeq (${DEB_HOST_ARCH_OS},linux)
-DEVMAPPER = --enable-blkid-devmapper
 BUILD_STATIC = build-static
 E2FSCK_STATIC = ${staticbuilddir}/e2fsck/e2fsck.static
 else
@@ -118,8 +117,7 @@
 COMMON_CONF_FLAGS =  \
                 --enable-elf-shlibs --infodir=/usr/share/info --enable-fsck
 
-STD_CONF_FLAGS = --with-ccopts="${CCOPTS}" --enable-compression \
-		${DEVMAPPER}
+STD_CONF_FLAGS = --with-ccopts="${CCOPTS}" --enable-compression
 
 BF_CONF_FLAGS = --with-ccopts="${CCOPTS} ${BF_CCOPTS}" \
 	--disable-nls --disable-imager \