Revert "feat: add bot protection to Cloudflare Worker (#330)"

[dcramer]

This reverts commit 12548b2.

We're blocking too much legit traffic. Need a plan b.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 63.65%. Comparing base (a0841cd) to head (8b6b9a8).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
packages/mcp-cloudflare/src/server/index.ts	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #335      +/-   ##
==========================================
- Coverage   64.27%   63.65%   -0.63%     
==========================================
  Files          47       46       -1     
  Lines        5764     5660     -104     
  Branches      490      471      -19     
==========================================
- Hits         3705     3603     -102     
+ Misses       2059     2057       -2     

Flag	Coverage Δ
unittests	63.65% <0.00%> (-0.63%)	⬇️

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