LICENSE: There is no libqemu.a anymore

Remove statement about libqemu.a from LICENSE.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Chen Wei-Ren <chenwj@iis.sinica.edu.tw>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>

LICENSE

@@ -6,9 +6,7 @@ The following points clarify the QEMU license:
 GNU General Public License. Hence each source file contains its own
 licensing information.
 
-In particular, the QEMU virtual CPU core library (libqemu.a) is
-released under the GNU Lesser General Public License. Many hardware
-device emulation sources are released under the BSD license.
+Many hardware device emulation sources are released under the BSD license.
 
 3) The Tiny Code Generator (TCG) is released under the BSD license
    (see license headers in files).