[CodingStyle] Remove RemoveUnusedAliasRector, job rather for coding standard tool and opinonated #1157
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After many complex failed efforts to make this rule work #1148, #1149, #1147, #1146, to make PHPStan parser work #1144, it's time to rethign this rule.
Complexity with aliasesed, same-named, conflicting short/class names is enormous and maybe Rector is not quite right tool to handle coding standards. Also, some uses prefer to keep alias for better readability :)
Using this rule goes agains subjective descissions. It is similar to removal of
MoveVariableDeclarationNearReferenceRector
for high complexity and very unrealiable behavior in the practise.Ref #900
Saying that, this rule should be deprecated to keep Rector in more reliable scope and let users decide better, mabye with PHPStan rule, how such code should be refacoted.