Do not display reference CodeLens for Dispose methods

[JoeRobich]

Resolves #3243

[codecov]

Codecov Report

Merging #3780 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3780   +/-   ##
=======================================
  Coverage   87.16%   87.16%           
=======================================
  Files          59       59           
  Lines        1800     1800           
  Branches      207      207           
=======================================
  Hits         1569     1569           
  Misses        176      176           
  Partials       55       55           

Flag	Coverage Δ
#integration	?
#unit	87.16% <ø> (ø)

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[filipw]

should also resolve #3079

[JoeRobich]

@filipw Thanks!