disable solana tokens

[konoart]

Solana tokens are not supported for the first release of Solana integration.

[ghost]

CI issue, please run yarn test -u

[codecov]

Codecov Report

Merging #735 (0124513) into master (4bcf5bb) will decrease coverage by 0.10%.
The diff coverage is n/a.

❗ Current head 0124513 differs from pull request most recent head c891ed2. Consider uploading reports for the commit c891ed2 to get more accurate results

@@            Coverage Diff             @@
##           master     #735      +/-   ##
==========================================
- Coverage   45.22%   45.12%   -0.11%     
==========================================
  Files          82       82              
  Lines        4957     4955       -2     
  Branches      815      815              
==========================================
- Hits         2242     2236       -6     
- Misses       2698     2702       +4     
  Partials       17       17              

Impacted Files	Coverage Δ
packages/cryptoassets/src/tokens.ts	71.42% <ø> (-4.28%)	⬇️

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