Update cheatsheets

tldr/unsetopt

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# unsetopt
+
+> Unset options for the Z shell (`zsh`).
+> Note: Zsh options are case-insensitive and underscores are ignored.
+> See also: `setopt` to set options.
+> More information: <https://zsh.sourceforge.io/Doc/Release/Options.html>.
+
+- List all currently unset options (use `setopt` to list set options):
+
+`unsetopt`
+
+- Unset a specific option:
+
+`unsetopt {{option_name}}`
+
+- Unset multiple options at once:
+
+`unsetopt {{option_name1 option_name2 ...}}`