Fix: Page width is wider than necessary

[hongquan]

Fixes #266

Due to wrong usage of tooltip library, the page is wider than necessary and cause horizontal scroll just for blank margin.

To have a quick fix, I delete the usage of tooltip. We will recover it in the future, because the CSS seems to be messy.

How has this been tested?

Checklist

• I have added tests to cover my changes.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request fixes an issue where the page width was wider than necessary, causing a horizontal scrollbar to appear. This was due to the incorrect usage of the tooltip library. The fix involves removing the data-toggle attribute from the tooltip element, as the library automatically detects and initializes tooltips based on the presence of the title attribute.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Removed the data-toggle attribute from the tooltip element.	Removed data-toggle="tooltip" from the <i> element.	src/pretalx/cfp/templates/cfp/event/submission_base.html

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#266	Remove the horizontal scroll bar from the speaker proposal pages.	✅

Possibly linked issues

• Avoid horizontal scroll bar in submission of speaker proposal #266: The PR fixes horizontal scroll by correcting tooltip library usage, addressing the issue's core problem.

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[sourcery-ai]

Hey @hongquan - I've reviewed your changes - here's some feedback:

Overall Comments:

• It's great that you've included a screenshot demonstrating the fix.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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