Do no mention private headers in public headers

Reviewed-by: NMatthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/9812)

(cherry picked from commit bd9faf117db1e53b2ad2ee9cbfe8def8c98ecb7b)

include/openssl/ct.h

@@ -463,8 +463,6 @@ __owur int CTLOG_STORE_load_file(CTLOG_STORE *store, const char *file);
 
 /*
  * Loads the default CT log list into a |store|.
- * See internal/cryptlib.h for the environment variable and file path that are
- * consulted to find the default file.
  * Returns 1 if loading is successful, or 0 otherwise.
  */
 __owur int CTLOG_STORE_load_default_file(CTLOG_STORE *store);

include/openssl/dtls1.h

@@ -43,7 +43,7 @@ extern "C" {
 
 # define DTLS1_AL_HEADER_LENGTH                   2
 
-/* Timeout multipliers (timeout slice is defined in apps/timeouts.h */
+/* Timeout multipliers */
 # define DTLS1_TMO_READ_COUNT                      2
 # define DTLS1_TMO_WRITE_COUNT                     2
 

include/openssl/evp.h

@@ -180,7 +180,7 @@ int (*EVP_MD_meth_get_ctrl(const EVP_MD *md))(EVP_MD_CTX *ctx, int cmd,
  * if the following flag is set.
  */
 # define EVP_MD_CTX_FLAG_FINALISE        0x0200
-/* NOTE: 0x0400 is reserved for internal usage in evp_int.h */
+/* NOTE: 0x0400 is reserved for internal usage */
 
 EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len);
 EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher);