[libvirt] [PATCH] docs: update README-hacking

[Chen Hanxiao]

We didn't have "README-valgrind" file now.
So remove related description.

Signed-off-by: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>
---
 README-hacking | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README-hacking b/README-hacking
index 80b022c..4e02fd8 100644
--- a/README-hacking
+++ b/README-hacking
@@ -15,7 +15,7 @@ Specific development tools and versions will be checked for and listed by
 the bootstrap script.
 
 Valgrind <http://valgrind.org/> is also highly recommended, if
-Valgrind supports your architecture. See also README-valgrind.
+Valgrind supports your architecture.
 
 While building from a just-cloned source tree may require installing a
 few prerequisites, later, a plain `git pull && make' should be sufficient.
-- 
1.9.0