random: Remove the seed member from php_random_algo

See the explanation in the previous commit for the reasoning. This member is unused since the previous commit and was not consistently available even before that (specifically for the Secure engine).

ext/random/engine_combinedlcg.c

@@ -98,7 +98,6 @@ static bool unserialize(void *state, HashTable *data)
 
 const php_random_algo php_random_algo_combinedlcg = {
 sizeof(php_random_status_state_combinedlcg),
-NULL,
 generate,
 range,
 serialize,

ext/random/engine_mt19937.c

@@ -226,7 +226,6 @@ static bool unserialize(void *state, HashTable *data)
 
 const php_random_algo php_random_algo_mt19937 = {
 sizeof(php_random_status_state_mt19937),
-NULL,
 generate,
 range,
 serialize,

ext/random/engine_pcgoneseq128xslrr64.c

@@ -107,7 +107,6 @@ static bool unserialize(void *state, HashTable *data)
 
 const php_random_algo php_random_algo_pcgoneseq128xslrr64 = {
 sizeof(php_random_status_state_pcgoneseq128xslrr64),
-NULL,
 generate,
 range,
 serialize,

ext/random/engine_secure.c

@@ -48,7 +48,6 @@ static zend_long range(void *state, zend_long min, zend_long max)
 
 const php_random_algo php_random_algo_secure = {
 0,
-NULL,
 generate,
 range,
 NULL,

ext/random/engine_user.c

@@ -75,7 +75,6 @@ static zend_long range(void *state, zend_long min, zend_long max)
 
 const php_random_algo php_random_algo_user = {
 sizeof(php_random_status_state_user),
-NULL,
 generate,
 range,
 NULL,

ext/random/engine_xoshiro256starstar.c

@@ -156,7 +156,6 @@ static bool unserialize(void *state, HashTable *data)
 
 const php_random_algo php_random_algo_xoshiro256starstar = {
 sizeof(php_random_status_state_xoshiro256starstar),
-NULL,
 generate,
 range,
 serialize,

ext/random/php_random.h

@@ -96,7 +96,6 @@ typedef struct _php_random_result {
 
 typedef struct _php_random_algo {
 const size_t state_size;
-void (*seed)(void *state, uint64_t seed);
 php_random_result (*generate)(void *state);
 zend_long (*range)(void *state, zend_long min, zend_long max);
 bool (*serialize)(void *state, HashTable *data);