[SYCL] Add conv_3d (#24691)

* add conv_3d

* optimize

* update ops.md

* restore test script

* rm unused code

* rm copyright notes

ggml/src/ggml-sycl/backend.hpp

@@ -17,6 +17,7 @@
 #include "common.hpp"
 #include "concat.hpp"
 #include "conv.hpp"
+#include "conv3d.hpp"
 #include "convert.hpp"
 #include "count-equal.hpp"
 #include "cpy.hpp"