libzrtp: remove old convenience script

diff --git a/libs/libzrtp/projects/gnu/cfg b/libs/libzrtp/projects/gnu/cfg
deleted file mode 100755 (executable)
index 8f19122..0000000
--- a/libs/libzrtp/projects/gnu/cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/bash
-./configure --enable-enterprise
\ No newline at end of file