Revert everything related to Damien's work in 2008 (he will commit a new version soon).

Here are the reverted patches:
8c0d1003b0,
25a3114287,
9afbaf6342,
dc0005f4e1,
543190f2bc.

src/eltltest/acc.test

@@ -1,44 +0,0 @@
-#!/bin/sh
-
-. ./defs || exit 1
-
-set -e
-cat >prelude <<EOF
-X=(
-    0 1 \$0
-    accept 1
-  )
-EOF
-
-cat >input <<EOF
-include prelude
-A=(
-    0 1 \$2
-    1 2 \$0
-    accept 0
-  )
-%
-A(1,a,a|b)&X(f)
-EOF
-run 0 ./acc input || exit 1
-
-cat >input <<EOF
-X=(
-    0 1 true
-    1 2 \$0
-    accept 2
-  )
-U=(
-    0 0 \$0
-    0 1 \$1
-    accept 1
-  )
-EOF
-
-cat >input <<EOF
-A=(
-  )
-%
-1
-EOF
-run 0 ./acc input || exit 1