Remove unneeded #include <assert.h>.

* libguile/backtrace.c, libguile/eval.c, libguile/gc.c,
  libguile/goops.c, libguile/memoize.c, libguile/threads.c,
  libguile/uniform.c, libguile/vm.c,
  test-suite/standalone/test-conversion.c,
  test-suite/standalone/test-list.c: Don't include <assert.h>.

libguile/backtrace.c

@@ -23,7 +23,6 @@
 
 #include <stdio.h>
 #include <ctype.h>
-#include <assert.h>
 
 #include "libguile/_scm.h"
 

libguile/eval.c

@@ -27,7 +27,6 @@
 
 #include "libguile/__scm.h"
 
-#include <assert.h>
 #include "libguile/_scm.h"
 #include "libguile/alist.h"
 #include "libguile/async.h"

libguile/gc.c

@@ -27,7 +27,6 @@
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>
-#include <assert.h>
 
 #ifdef __ia64__
 #include <ucontext.h>

libguile/goops.c

@@ -30,7 +30,6 @@
 #endif
 
 #include <stdio.h>
-#include <assert.h>
 
 #include "libguile/_scm.h"
 #include "libguile/alist.h"

libguile/memoize.c

@@ -24,8 +24,6 @@
 #endif
 
 #include "libguile/__scm.h"
-
-#include <assert.h>
 #include "libguile/_scm.h"
 #include "libguile/continuations.h"
 #include "libguile/eq.h"

libguile/threads.c

@@ -29,7 +29,6 @@
 #include <unistd.h>
 #endif
 #include <stdio.h>
-#include <assert.h>
 
 #ifdef HAVE_STRING_H
 #include <string.h>   /* for memset used by FD_ZERO on Solaris 10 */

libguile/uniform.c

@@ -23,8 +23,6 @@
 #  include <config.h>
 #endif
 
-#include <assert.h>
-
 #include "libguile/_scm.h"
 #include "libguile/__scm.h"
 

libguile/vm.c

@@ -23,7 +23,6 @@
 #include <stdlib.h>
 #include <alloca.h>
 #include <string.h>
-#include <assert.h>
 
 #include "libguile/bdw-gc.h"
 #include <gc/gc_mark.h>

test-suite/standalone/test-conversion.c

@@ -23,7 +23,6 @@
 #include <libguile.h>
 
 #include <stdio.h>
-#include <assert.h>
 #include <string.h>
 
 #ifdef HAVE_INTTYPES_H

test-suite/standalone/test-list.c

@@ -1,6 +1,6 @@
 /* test-list.c - exercise libguile/list.c functions */
 
-/* Copyright (C) 2006, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 2006, 2008, 2009 Free Software Foundation, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public License
@@ -25,7 +25,6 @@
 #include <libguile.h>
 
 #include <stdio.h>
-#include <assert.h>
 #include <string.h>
 
 /* pretty trivial, but ensure this entrypoint exists, since it was