feat(tss): remove key id check to reduce heartbeat gas costs

[cgorenflo]

Testing all keys in the HeartBeat event costs a lot of gas and has no added benefit, since the key is generated by tofnd on the fly anyway. After this change vald will no longer add key IDs to the event response. Because it is not consensus-breaking, we can roll out this patch without a network upgrade. With the next release we will then remove the key IDs completely from the event

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 49.52%. Comparing base (715b5e4) to head (d364427).
Report is 1 commits behind head on main.

Files	Patch %	Lines
vald/tss/tss.go	0.00%	4 Missing ⚠️
x/tss/types/msg_ack.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2173      +/-   ##
==========================================
+ Coverage   49.43%   49.52%   +0.08%     
==========================================
  Files         269      269              
  Lines       16131    16098      -33     
==========================================
- Hits         7974     7972       -2     
+ Misses       7545     7514      -31     
  Partials      612      612              

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