fix: Clean up duplicated content in ssm_conv.hpp header file

Author: tamarPal

ggml/src/ggml-sycl/ssm_conv.hpp

@@ -1,9 +1,5 @@
-#pragma once#pragma once
+#pragma once
 
+#include "common.hpp"
 
-
-#include "common.hpp"#include "common.hpp"
-
-
-
-void ggml_sycl_ssm_conv(ggml_backend_sycl_context & ctx, ggml_tensor * dst);void ggml_sycl_ssm_conv(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
+void ggml_sycl_ssm_conv(ggml_backend_sycl_context & ctx, ggml_tensor * dst);