Removing duplicate grpc initialized check

[csvance]

• Only need one check for this and the new one is better, so remove the old
• Don't use isready function name for grpc handle running check, this is a special case

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.90%. Comparing base (1ee5577) to head (35e37ef).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #95      +/-   ##
==========================================
+ Coverage   83.80%   83.90%   +0.09%     
==========================================
  Files           7        7              
  Lines         531      528       -3     
==========================================
- Hits          445      443       -2     
+ Misses         86       85       -1     

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