Add new RSpec/RemoveConst cop #1731

Job	Run time
Confirm config and documentation	12s
Test coverage	18s
Edge RuboCop: internal_investigation	18s
Edge RuboCop: spec	26s
Ruby 2.7: internal_investigation	29s
RSpec 4	26s
Ruby 2.7: spec	34s
Ruby 3.0: internal_investigation	16s
Ruby 3.0: spec	19s
Ruby 3.1: internal_investigation	14s
Ruby 3.1: spec	24s
Ruby 3.2: internal_investigation	11s
Ruby 3.2: spec	18s
Ruby ruby-head: internal_investigation	13s
Ruby ruby-head: spec	23s
Ruby jruby-9.4: internal_investigation	1m 14s
Ruby jruby-9.4: spec	1m 16s
	7m 31s

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