[RUMF-1103] Remove event bridge FF

[amortemousque]

Motivation

Now that the event bridge implementation is stable, remove the feature flag

Changes

Remove event-bridge FF

Testing

• Local
• Staging
• Unit
• End to end

---

I have gone over the contributing documentation.

[codecov-commenter]

Codecov Report

Merging #1333 (54cd172) into main (3ed427b) will increase coverage by 0.06%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1333      +/-   ##
==========================================
+ Coverage   91.03%   91.09%   +0.06%     
==========================================
  Files         106      106              
  Lines        4281     4279       -2     
  Branches      953      951       -2     
==========================================
+ Hits         3897     3898       +1     
+ Misses        384      381       -3     

Impacted Files	Coverage Δ
packages/core/src/transport/eventBridge.ts	100.00% <100.00%> (ø)
packages/rum-core/src/boot/rumPublicApi.ts	94.79% <100.00%> (ø)
packages/core/src/tools/utils.ts	87.83% <0.00%> (+1.35%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3ed427b...54cd172. Read the comment docs.