Zend: remove zend_make_callable() function (php#20269)

The name of this function is confusing, it doesn't make a zval callable just normalizes strings to an array pair if the string references a static method.
In general, to store a userland function it is encouraged to store the resolved FCC rather than the zval.

Moreover, a sourcegraph search shows no usage of this API in external open source code.

Author: Girgias

UPGRADING.INTERNALS

@@ -35,6 +35,10 @@ PHP 8.6 INTERNALS UPGRADE NOTES
   . The zval_dtor() alias of zval_ptr_dtor_nogc() has been removed.
     Call zval_ptr_dtor_nogc() directly instead.
   . The internal zend_copy_parameters_array() function is no longer exposed.
+  . The zend_make_callable() function has been removed, if a callable zval
+    needs to be obtained use the zend_get_callable_zval_from_fcc() function
+    instead. If this was used to store a callable, then an FCC should be
+    stored instead.
 
 ========================
 2. Build system changes

Zend/zend_API.c

@@ -4232,24 +4232,6 @@ ZEND_API bool zend_is_callable(zval *callable, uint32_t check_flags, zend_string
 }
 /* }}} */
 
-ZEND_API bool zend_make_callable(zval *callable, zend_string **callable_name) /* {{{ */
-{
-	zend_fcall_info_cache fcc;
-
-	if (zend_is_callable_ex(callable, NULL, IS_CALLABLE_SUPPRESS_DEPRECATIONS, callable_name, &fcc, NULL)) {
-		if (Z_TYPE_P(callable) == IS_STRING && fcc.calling_scope) {
-			zval_ptr_dtor_str(callable);
-			array_init(callable);
-			add_next_index_str(callable, zend_string_copy(fcc.calling_scope->name));
-			add_next_index_str(callable, zend_string_copy(fcc.function_handler->common.function_name));
-		}
-		zend_release_fcall_info_cache(&fcc);
-		return 1;
-	}
-	return 0;
-}
-/* }}} */
-
 ZEND_API zend_result zend_fcall_info_init(zval *callable, uint32_t check_flags, zend_fcall_info *fci, zend_fcall_info_cache *fcc, zend_string **callable_name, char **error) /* {{{ */
 {
 	if (!zend_is_callable_ex(callable, NULL, check_flags, callable_name, fcc, error)) {

Zend/zend_API.h

@@ -417,7 +417,6 @@ ZEND_API bool zend_is_callable_at_frame(
 		uint32_t check_flags, zend_fcall_info_cache *fcc, char **error);
 ZEND_API bool zend_is_callable_ex(zval *callable, zend_object *object, uint32_t check_flags, zend_string **callable_name, zend_fcall_info_cache *fcc, char **error);
 ZEND_API bool zend_is_callable(zval *callable, uint32_t check_flags, zend_string **callable_name);
-ZEND_API bool zend_make_callable(zval *callable, zend_string **callable_name);
 ZEND_API const char *zend_get_module_version(const char *module_name);
 ZEND_API zend_result zend_get_module_started(const char *module_name);