Bug cryotank anit

[vEpiphyte]

• Fix cryocell anit to inherit the correct signature from Cell.
• Remove unused path variable.
• Fix getCellApi to use Class defined ctors instead of hardcoded ctors.

[codecov]

Codecov Report

Merging #1426 into master will decrease coverage by 3.4%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1426      +/-   ##
==========================================
- Coverage   95.28%   91.88%   -3.41%     
==========================================
  Files         133      133              
  Lines       20053    20053              
==========================================
- Hits        19108    18426     -682     
- Misses        945     1627     +682

Flag	Coverage Δ
#linux	91.88% <100%> (-0.02%)	⬇️
#osx	?

Impacted Files	Coverage Δ
synapse/cryotank.py	86.62% <100%> (-1.17%)	⬇️
synapse/lib/platforms/darwin.py	0% <0%> (-100%)	⬇️
synapse/cortex.py	75.69% <0%> (-19.18%)	⬇️
synapse/lib/ast.py	78.71% <0%> (-16.04%)	⬇️
synapse/lib/thisplat.py	58.33% <0%> (-8.34%)	⬇️
synapse/lib/storm.py	89.14% <0%> (-5.74%)	⬇️
synapse/tests/utils.py	87.57% <0%> (-4.62%)	⬇️
synapse/lib/view.py	90.04% <0%> (-4.53%)	⬇️
synapse/lib/node.py	94.53% <0%> (-4.11%)	⬇️
synapse/lib/stormtypes.py	95.95% <0%> (-1.4%)	⬇️
... and 10 more

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