Remove spdk.

[manishym]

No description provided.

[github-actions]

✅ Unit tests passed.

📊 Coverage Summary:

src/storage/stdmap_memtable.cpp           |21.1%     19| 0.0%     4|    -      0
src/storage/stdmap_memtable.h             | 100%      2| 0.0%     2|    -      0
src/utils/file_buffer_writer.cpp          |50.0%     16| 0.0%     7|    -      0
src/utils/i_writable_buffer.h             | 200%      1| 0.0%     1|    -      0
src/wal/block_device_wal.h                |21.8%     55| 0.0%     8|    -      0
src/wal/interface.h                       | 200%      1| 0.0%     1|    -      0
src/wal/passthrough_wal.h                 | 100%      7| 0.0%     7|    -      0
src/wal/wal_entry_serializer.h            |12.1%     33| 0.0%     4|    -      0
src/wal/wal_factory.h                     | 7.1%     14| 0.0%     1|    -      0
src/wal/wal_serializer.cpp                |15.4%     13| 0.0%     1|    -      0
tests/unit/block_device_wal_test.cpp      |18.5%     65| 0.0%    12|    -      0
tests/unit/file_buffer_writer_test.cpp    |50.8%     59| 0.0%    30|    -      0
tests/unit/map_test.cpp                   |31.1%    132| 0.0%    41|    -      0
tests/unit/memtable_test.cpp              |33.3%     36| 0.0%    12|    -      0
tests/unit/passthrough_wal_test.cpp       |84.8%     33| 0.0%    28|    -      0
tests/unit/server_test.cpp                |21.6%     37| 0.0%     8|    -      0
tests/unit/wal_factory_test.cpp           |70.6%     17| 0.0%    12|    -      0
tests/unit/wal_serializer_test.cpp        |49.3%     73| 0.0%    36|    -      0
================================================================================
                                    Total:|34.7%    804| 0.0%   260|    -      0