refactor: consolidate managed configs and switch go/tool-versions to mise

Reorganize symlinked configs from .config-source to .managed directory for better clarity on auto-updated vs manual files. Add mise config.toml to replace .tool-versions, pin zoxide and deno versions. Remove Go from PATH templates since it's now managed via mise.

home/.chezmoitemplates/scripts/commonrc.fish.tmpl

@@ -26,8 +26,6 @@ set -l paths_to_add
 test -d $HOME/.hishtory && set -a paths_to_add $HOME/.hishtory
 test -d $HOME/bin && set -a paths_to_add $HOME/bin
 set -a paths_to_add /usr/local/bin $HOME/.local/bin
-test -d /usr/local/go/bin && set -a paths_to_add /usr/local/go/bin  # Go
-test -d $HOME/go/bin && set -a paths_to_add $HOME/go/bin  # Go-installed tools
 test -d $HOME/.local/share/bob/nvim-bin && set -a paths_to_add $HOME/.local/share/bob/nvim-bin  # Bob, Neovim package manager
 
 # Deno (conditionally source env file or add to path list)

home/.chezmoitemplates/scripts/commonrc.sh.tmpl

@@ -32,10 +32,6 @@ export HISHTORY_SERVER="https://hsh.{{ dopplerProjectJson.PRIVATE_DOMAIN }}"
 [ -d "$HOME/.hishtory" ] && export PATH="$PATH:$HOME/.hishtory"
 
 ## Language Runtimes
-# Go
-[ -d "/usr/local/go/bin" ] && export PATH="$PATH:/usr/local/go/bin"
-[ -d "$HOME/go/bin" ] && export PATH="$HOME/go/bin:$PATH"
-
 # Deno (JavaScript/TypeScript runtime)
 [ -d "$HOME/.deno" ] && . "$HOME/.deno/env"