Remove outdated e_chil.txt file

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/7476)

demos/engines/e_chil.txt

@@ -1,12 +0,0 @@
-HWCRHK_F_BIND_HELPER                             110
-HWCRHK_F_HWCRHK_CTRL                             100
-HWCRHK_F_HWCRHK_FINISH                           101
-HWCRHK_F_HWCRHK_GET_PASS                         102
-HWCRHK_F_HWCRHK_INIT                             103
-HWCRHK_F_HWCRHK_INSERT_CARD                      104
-HWCRHK_F_HWCRHK_LOAD_PRIVKEY                     105
-HWCRHK_F_HWCRHK_LOAD_PUBKEY                      106
-HWCRHK_F_HWCRHK_MOD_EXP                          107
-HWCRHK_F_HWCRHK_MUTEX_INIT                       111
-HWCRHK_F_HWCRHK_RAND_BYTES                       108
-HWCRHK_F_HWCRHK_RSA_MOD_EXP                      109