Issue #18701: Remove support of old CPython versions (<3.0) from C code.

Modules/_sqlite/cache.c

@@ -21,7 +21,6 @@
  * 3. This notice may not be removed or altered from any source distribution.
  */
 
-#include "sqlitecompat.h"
 #include "cache.h"
 #include <limits.h>
 

Modules/_sqlite/connection.c

@@ -29,7 +29,6 @@
 #include "cursor.h"
 #include "prepare_protocol.h"
 #include "util.h"
-#include "sqlitecompat.h"
 
 #include "pythread.h"
 

Modules/_sqlite/cursor.c

@@ -24,7 +24,6 @@
 #include "cursor.h"
 #include "module.h"
 #include "util.h"
-#include "sqlitecompat.h"
 
 PyObject* pysqlite_cursor_iternext(pysqlite_Cursor* self);
 

Modules/_sqlite/prepare_protocol.c

@@ -21,7 +21,6 @@
  * 3. This notice may not be removed or altered from any source distribution.
  */
 
-#include "sqlitecompat.h"
 #include "prepare_protocol.h"
 
 int pysqlite_prepare_protocol_init(pysqlite_PrepareProtocol* self, PyObject* args, PyObject* kwargs)

Modules/_sqlite/row.c

@@ -23,7 +23,6 @@
 
 #include "row.h"
 #include "cursor.h"
-#include "sqlitecompat.h"
 
 void pysqlite_row_dealloc(pysqlite_Row* self)
 {

Modules/_sqlite/statement.c

@@ -27,7 +27,6 @@
 #include "microprotocols.h"
 #include "prepare_protocol.h"
 #include "util.h"
-#include "sqlitecompat.h"
 
 /* prototypes */
 static int pysqlite_check_remaining_sql(const char* tail);