src: revert global dialer

[matejvasek]

Fixes: #715

[knative-prow-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: matejvasek

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [matejvasek]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[codecov]

Codecov Report

Merging #716 (d5cacbe) into main (a13f897) will decrease coverage by 0.05%.
The diff coverage is 27.27%.

@@            Coverage Diff             @@
##             main     #716      +/-   ##
==========================================
- Coverage   39.98%   39.93%   -0.06%     
==========================================
  Files          42       42              
  Lines        3981     3986       +5     
==========================================
  Hits         1592     1592              
- Misses       2167     2172       +5     
  Partials      222      222              

Impacted Files	Coverage Δ
cmd/emit.go	35.48% <0.00%> (-2.02%)	⬇️
cloudevents/emitter.go	62.96% <50.00%> (ø)

---

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 a13f897...d5cacbe. Read the comment docs.

[lance]

/lgtm
/hold for CI

[lance]

/unhold