homebrew: replace deprecated and orphaned packages

♠ Problem statement : brew doctor found one deprecated cask and one installed keg whose formula had disappeared. tflint # Warning: Some installed casks are deprecated or disabled. You should find replacements for the following casks: flameshot Warning: Some installed kegs have no formulae! You should find replacements for the following formulae: tflint Homebrew/core removed TFLint after its…