fix: remove slippage

[donnyquixotic]

Description

Slippage is not required for bridge transfers. This removes all components and references.

Test scenarios

• no slippage and corresponding slippage adjustment modal in bridge ui
• transactions should execute as usual

Checklist:

• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have cleaned up the code in the areas my change touches
• [x] My changes generate no new warnings
• [x] Any dependent changes have been merged and published in downstream modules
• [x] I have checked my code and corrected any misspellings
• [x] I have removed any unnecessary console messages
• [x] I have tested for mobile functionality and responsiveness

[netlify[bot]]

✅ Deploy Preview for telos-bridge ready!

Name	Link
🔨 Latest commit	c474b29c41dc85cfd44abd71d2ee1eeb4dcf332f
🔍 Latest deploy log	https://app.netlify.com/sites/telos-bridge/deploys/65b1c028de0af70008289efb
😎 Deploy Preview	https://deploy-preview-63--telos-bridge.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.