Removed navbar code from all the pages

[aditya-bhaumik]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.
these codes were making the code unnessarily big i fixed it

Fixes: #639

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings

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[github-actions]

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[aditya-bhaumik]

@sk66641 please review and merge this pull request before 7 pm

[aditya-bhaumik]

@sk66641 only 1 hour left please merge this pull request