landing page review

[MiXiBo]

Resolves

changes:

• removes features -> will be allocated somewhere else
• remove integrations -> will be allocated somewhere else
• remove team -> will be allocated somewhere else
• remove Tokenomics -> Koinos is not a Meme token. Tokenomics are in the white paper
• remove community -> selected communities are added in PR43 to the footer
• remove roadmap -> will be allocated somewhere else

Brief description

Checklist

• [ x] I have built this pull request locally
• [ x] I have ran the unit tests locally
• [ x] I have manually tested this pull request
• [ x] I have reviewed my pull request
• [ x] I have added any relevant tests

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