Remove unused & dangerous gas method, mark remaining #check-lint-warning

Working on eliminating the dangerous self-modify and return self-reference pattern.

Remove the unused gas subtraction method, and add a warning to the gas Add() method.

changed title from Remove unused & dangerous gas method, mark remaining to Remove unused & dangerous gas method, mark remaining #check-lint-warning

approved this merge request

approved this merge request

approved this merge request

changed milestone to %Release-1.122.0

resolved all threads

added 10 commits

• d62a2dc0...e2378e81 - 9 commits from branch develop
• f22dbcbf - Remove unused & dangerous gas method, mark remaining

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added 4 commits

• f22dbcbf...5d94adc3 - 3 commits from branch develop
• 26dfbea3 - Remove unused & dangerous gas method, mark remaining

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merged

mentioned in issue mayachain/mayanode#84

mentioned in commit mayachain/mayanode@fd11f759

mentioned in commit mayachain/mayanode@012ea116

mentioned in commit mayachain/mayanode@f0262af8

mentioned in merge request mayachain/mayanode!457

mentioned in commit mayachain/mayanode@6bb792b4

mentioned in commit mayachain/mayanode@f04078a9