All IBM Notes imported events are public by default

[ferblape]

Unexpected

What does this PR do?

We were wrong assuming the 'transparency' field was the privacy field of a IBM Notes Event. By default IBM notes doesn't publish any private event, so we don't need to check any field.

[codecov-io]

Codecov Report

Merging #646 into stable will increase coverage by 0.05%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           stable     #646      +/-   ##
==========================================
+ Coverage   67.56%   67.61%   +0.05%     
==========================================
  Files         298      298              
  Lines        7312     7312              
==========================================
+ Hits         4940     4944       +4     
+ Misses       2372     2368       -4

Impacted Files	Coverage Δ
lib/ibm_notes/person_event.rb	100% <100%> (ø)	⬆️
app/models/gobierto_budgets/site_stats.rb	79.16% <0%> (+1.38%)	⬆️
app/models/gobierto_budgets/budget_line_stats.rb	87.32% <0%> (+1.4%)	⬆️
app/pub_sub/publisher.rb	80% <0%> (+6.66%)	⬆️

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