make.sh: Don't create a new IPC namespace

If we do this, we no longer can interrupt the build process on the
console.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

make.sh

@@ -509,9 +509,6 @@ enterchroot() {
 		# Create a new cgroup namespace
 		"--cgroup"
 
-		# Create a new IPC namespace
-		"--ipc"
-
 		# Create a new mount namespace
 		"--mount"