Remove unused rakubrew melina setup

Signed-off-by: Adam Hellberg <[e-mail]>
Change-Id: I5bcafb80b98def2c60fcf774e94417bf6a6a6964

modules/homes/sharparam@melina/module.nix

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         "zsh/zshrc.d/10-cargo.sh".source = ./zshrc.d/10-cargo.sh;
         "zsh/zshrc.d/10-go.zsh".source = ./zshrc.d/10-go.zsh;
         "zsh/zshrc.d/10-perl5.zsh".source = ./zshrc.d/10-perl5.zsh;
-        "zsh/zshrc.d/90-raku.zsh".source = ./zshrc.d/90-raku.zsh;
       };
 
       home.stateVersion = "25.11";

modules/homes/sharparam@melina/zshrc.d/90-raku.zsh

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-if [[ -d "$HOME/.rakubrew" ]]; then
-  eval "$($HOME/.rakubrew/bin/rakubrew init Zsh)"
-fi