Remove obsolete m-c-mempool.h header

example/ex11-small-name.c

@@ -8,7 +8,6 @@
 #include "m-bptree.h"
 #include "m-bstring.h"
 #include "m-buffer.h"
-#include "m-c-mempool.h"
 #include "m-concurrent.h"
 #include "m-deque.h"
 #include "m-dict.h"
@@ -70,4 +69,4 @@ M_WORKER_SPAWN_DEF2(worker, (filename, m_string_t) )
 int main(void)
 {
     exit(0);
-}
+}