Revert "feat: support w3c trace context"

[ZStriker19]

Reverts #4170
The RFC for this feature is not yet approved and future changes are likely.

[codecov-commenter]

Codecov Report

Merging #4295 (0a64b8b) into 1.x (0d2c217) will decrease coverage by 0.10%.
The diff coverage is 21.95%.

❗ Current head 0a64b8b differs from pull request most recent head e45f384. Consider uploading reports for the commit e45f384 to get more accurate results

@@            Coverage Diff             @@
##              1.x    #4295      +/-   ##
==========================================
- Coverage   78.13%   78.03%   -0.11%     
==========================================
  Files         737      738       +1     
  Lines       59031    59057      +26     
==========================================
- Hits        46122    46083      -39     
- Misses      12909    12974      +65     

Impacted Files	Coverage Δ
ddtrace/internal/constants.py	100.00% <ø> (ø)
ddtrace/profiling/collector/__init__.py	0.00% <0.00%> (ø)
ddtrace/profiling/collector/_lock.py	0.00% <0.00%> (ø)
ddtrace/profiling/collector/memalloc.py	0.00% <0.00%> (ø)
ddtrace/profiling/exporter/http.py	0.00% <ø> (ø)
ddtrace/profiling/scheduler.py	0.00% <0.00%> (ø)
tests/contrib/sanic/run_server.py	0.00% <0.00%> (ø)
tests/debugging/exploration/_config.py	0.00% <0.00%> (ø)
tests/debugging/exploration/_coverage.py	0.00% <0.00%> (ø)
tests/debugging/exploration/_profiler.py	0.00% <0.00%> (ø)
... and 11 more

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