Remove Tide reload workaround

[simono]

Summary

Remove the tide reload workaround once Tide handles dynamic color changes properly.

Context

This workaround was added to refresh cached colors in Tide's _tide_pwd.fish and fish_prompt.fish. Once Tide is updated to read colors dynamically at runtime (for Fish 4.3+ auto light/dark theme support), this workaround can be removed.

Blocked by #35

🤖 Generated with Claude Code

[Copilot]

Pull request overview

This PR removes a temporary workaround that forced Tide to reload after theme changes. The workaround was necessary because Tide cached colors in _tide_pwd.fish and fish_prompt.fish, preventing dynamic color updates when switching between light and dark themes in Fish 4.3+.

Changes:

• Removed the tide reload command from the __so_apply_theme function

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