Remove init function

[AleksanderWWW]

Before submitting checklist

• Did you update the CHANGELOG? (not for test updates, internal changes/refactors or CI/CD setup)
• Did you asked the docs owner to review all the updated user-facing interfaces?

[codecov]

Codecov Report

Base: 71.35% // Head: 71.35% // Decreases project coverage by -0.01% ⚠️

Coverage data is based on head (b4437a9) compared to base (2ad1958).
Patch has no changes to coverable lines.

Additional details and impacted files

@@              Coverage Diff              @@
##           dev/1.0.0    #1216      +/-   ##
=============================================
- Coverage      71.35%   71.35%   -0.01%     
=============================================
  Files            284      284              
  Lines          13652    13648       -4     
=============================================
- Hits            9742     9739       -3     
+ Misses          3910     3909       -1     

Flag	Coverage Δ
unit-pull-request	71.35% <ø> (-0.01%)	⬇️

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Impacted Files	Coverage Δ
src/neptune/__init__.py	100.00% <ø> (ø)
src/neptune/common/exceptions.py	62.33% <ø> (ø)
src/neptune/exceptions.py	82.63% <ø> (ø)
src/neptune/integrations/python_logger.py	100.00% <ø> (ø)
src/neptune/internal/init/__init__.py	100.00% <ø> (+9.09%)	⬆️
src/neptune/new/__init__.py	94.11% <ø> (ø)

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[normandy7]

For future reference: There should generally be no need to change method to function unless it's a mistake in the first place :) We mostly talk about "methods" in the docs.