remove extra pmem autoconf check

configure.ac

@@ -57,12 +57,6 @@ CPPFLAGS="$SDSKEYVALCLIENT_CFLAGS $CPPFLAGS"
 CFLAGS="$SDSKEYVALCLIENT_CFLAGS $CFLAGS"
 
 
-PKG_CHECK_MODULES([PMEM],[libpmemobj],[],
-	AC_MSG_ERROR([Could not find working libpmemobj installation!]) )
-LIBS="$PMEM_LIBS $LIBS"
-CPPFLAGS="$PMEM_CFLAGS $CPPFLAGS"
-CFLAGS="$PMEM_CFLAGS $CFLAGS"
-
 PKG_CHECK_MODULES([PMEM],[libpmemobj],[],
 	AC_MSG_ERROR([Could not find working libpmemobj installation!]) )
 LIBS="$PMEM_LIBS $LIBS"