wip remove empty case from trie node

[stedfn]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 89.18919% with 12 lines in your changes missing coverage. Please review.

Project coverage is 69.85%. Comparing base (7dfdfb0) to head (5ab8ae7).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
core/store/src/trie/iterator.rs	92.85%	7 Missing ⚠️
core/store/src/trie/state_parts.rs	61.53%	0 Missing and 5 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #12478       +/-   ##
===========================================
+ Coverage    1.60%   69.85%   +68.25%     
===========================================
  Files         667      838      +171     
  Lines      118468   169445    +50977     
  Branches   118468   169445    +50977     
===========================================
+ Hits         1897   118365   +116468     
+ Misses     116363    45828    -70535     
- Partials      208     5252     +5044     

Flag	Coverage Δ
backward-compatibility	0.16% <0.00%> (-0.01%)	⬇️
db-migration	0.16% <0.00%> (-0.01%)	⬇️
genesis-check	1.29% <0.00%> (-0.01%)	⬇️
linux	69.15% <89.18%> (+67.55%)	⬆️
linux-nightly	69.43% <89.18%> (?)
macos	51.02% <86.48%> (?)
pytests	1.60% <0.00%> (-0.01%)	⬇️
sanity-checks	1.40% <0.00%> (-0.01%)	⬇️
unittests	69.68% <89.18%> (?)
upgradability	0.21% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests
• JS Bundle Analysis - Avoid shipping oversized bundles