INSTALL: remove TODO section

The default value '/' for DESTDIR is unusual, but does probably not hurt.

Fixes commit f2b40dabab
Fixes commit 8e986e5a61

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Acked-by: Wei Liu <wl@xen.org>
Release-acked-by: Paul Durrant <paul@xen.org>

INSTALL

@@ -365,12 +365,5 @@ make XEN_TARGET_ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- \
         DESTDIR=/some/path install
 
 
-TODO
-====
-
- - DESTDIR should be empty, not "/"
- - add make uninstall targets
- - replace private path variables as needed (SBINDIR/sbindir)
- - ...
 
 # vim: tw=72 et