First round of dead file removal

experimental/visual_studio_plugin/src/debug_conn/debug_util.h

-/*
- * Copyright 2011 The Native Client Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can
- * be found in the LICENSE file.
- */
-
-#ifndef NATIVE_CLIENT_SRC_TRUSTED_DEBUG_STUB_DEBUG_UTIL_H_
-#define NATIVE_CLIENT_SRC_TRUSTED_DEBUG_STUB_DEBUG_UTIL_H_ 1
-
-#include "native_client/src/include/portability.h"
-
-EXTERN_C_BEGIN
-
-
-// Free or Parse string and dup into provided array
-int debug_get_tokens(const char *in, char delim, char *out[], int max);
-void debug_free_tokens(char *strings[], int max);
-
-// Convert between 4bit value and ASCII 0-F hex.
-int debug_nibble_to_int(char ch);
-char debug_int_to_nibble(int nibble);
-
-// Debug Logging
-void debug_log_info(const char *fmt, ...);
-void debug_log_warning(const char *fmt, ...);
-void debug_log_error(const char *fmt, ...);
-
-EXTERN_C_END
-
-#endif