message: Remove 'relic' special handling for file_system.cpp
diff: @@ -87,12 +87,10 @@ compile_directories = [src_dir, fmt_dir, miniz_dir, re2_dir, hll_dir, utf8proc_d
  # files always excluded
  always_excluded = ['src/amalgamation/duckdb.cpp', 'src/amalgamation/duckdb.hpp', 'src/amalgamation/parquet-amalgamation.cpp', 'src/amalgamation/parquet-amalgamation.hpp']
  # files excluded from the amalgamation
  -excluded_files = ['grammar.cpp', 'grammar.hpp', 'symbols.cpp', 'file_system.cpp']
  +excluded_files = ['grammar.cpp', 'grammar.hpp', 'symbols.cpp']
  # files excluded from individual file compilation during test_compile
  excluded_compilation_files = excluded_files + ['gram.hpp', 'kwlist.hpp', "duckdb-c.cpp"]
  -file_system_cpp = os.path.join('src', 'common', 'file_system.cpp')
  -
  linenumbers = False
  def get_includes(fpath, text):
  @@ -277,9 +275,6 @@ def generate_amalgamation(source_file, header_file):
  sfile.write("#if (!defined(DEBUG) && !defined NDEBUG)\n#define NDEBUG\n#endif\n\n")
  for compile_dir in compile_directories:
  sfile.write(write_dir(compile_dir))
  - # for windows we write file_system.cpp last
  - # this is because it includes windows.h which contains a lot of #define statements that mess up the other code
  - sfile.write(write_file(file_system_cpp, True))
  sfile.write('\n\n/*\n')
  license_idx = 0
  @@ -315,7 +310,7 @@ def list_sources():
  file_list = []
  for compile_dir in compile_directories:
  list_files(compile_dir, file_list)
  - return file_list + [file_system_cpp]
  + return file_list
  def list_include_files_recursive(dname, file_list):
  files = os.listdir(dname)
  @@ -399,10 +394,6 @@ def generate_amalgamation_splits(source_file, header_file, nsplits):
  continue
  gather_files(compile_dir, source_files, header_files)
  - # for windows we write file_system.cpp last
  - # this is because it includes windows.h which contains a lot of #define statements that mess up the other code
  - source_files.append(write_file(os.path.join('src', 'common', 'file_system.cpp'), True))
  -
  # write duckdb-internal.hpp
  if '.hpp' in header_file:
  internal_header_file = header_file.replace('.hpp', '-internal.hpp')
  