fix: Use consistent style/naming for Geth, L2Geth

[maurelian]

This edit is meant to remove any ambiguity about which instance is being referred to, and also standardizes on the
spacing and capitalization used for Geth and L2Geth

[changeset-bot]

⚠️ No Changeset found

Latest commit: 2f4be06

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[codecov-commenter]

Codecov Report

Merging #2310 (2f4be06) into master (c74649c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2310   +/-   ##
=======================================
  Coverage   80.08%   80.08%           
=======================================
  Files          77       77           
  Lines        2460     2460           
  Branches      450      450           
=======================================
  Hits         1970     1970           
  Misses        490      490           

Flag	Coverage Δ
contracts	99.29% <ø> (ø)
core-utils	86.77% <ø> (ø)
data-transport-layer	49.72% <ø> (ø)
sdk	55.75% <ø> (ø)

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