Remove unused files, and tidy the directory structure of the remaining ones.

tests/test_common.h

 /* Copyright (c) 2010 The Chromium OS 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 VBOOT_REFERENCE_TEST_COMMON_H_
 #define VBOOT_REFERENCE_TEST_COMMON_H_
 
 #include <stdint.h>
 
-#include "kernel_image.h"
-
 extern int gTestSuccess;
 
 /* Return 1 if result is equal to expected_result, else return 0.
  * Also update the global gTestSuccess flag if test fails. */
 int TEST_EQ(int result, int expected_result, char* testname);
 /* Return 0 if result is equal to not_expected_result, else return 1.
  * Also update the global gTestSuccess flag if test fails. */
 int TEST_NEQ(int result, int not_expected_result, char* testname);
 
-/* Test kernel image generation functions. */
-KernelImage* GenerateTestKernelImage(int firmware_sign_algorithm,
-                                     int kernel_sign_algorithm,
-                                     const uint8_t* kernel_sign_key,
-                                     int kernel_key_version,
-                                     int kernel_version,
-                                     uint64_t kernel_len,
-                                     const char* firmware_key_file,
-                                     const char* kernel_key_file,
-                                     uint8_t kernel_data_fill_char);
-uint8_t* GenerateTestKernelBlob(int firmware_sign_algorithm,
-                                int kernel_sign_algorithm,
-                                const uint8_t* kernel_sign_key,
-                                int kernel_key_version,
-                                int kernel_version,
-                                uint64_t kernel_len,
-                                const char* firmware_key_file,
-                                const char* kernel_key_file);
-
-/* Generates a test kernel iamge for rollback tests with a given
- * [kernel_key_version} and [kernel_version]. If [is_corrupt] is 1,
- * then the image has invalid signatures and will fail verification. */
-uint8_t* GenerateRollbackTestKernelBlob(int kernel_key_version,
-                                        int kernel_version,
-                                        int is_corrupt);
 #endif  /* VBOOT_REFERENCE_TEST_COMMON_H_ */