Remove useless escargot dependency

[irevoire]

Hey I was comparing this project with nom and noticed you had an useless dependency in your Cargo.toml

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 41.84%. Comparing base (85d4933) to head (a314cee).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #499 +/- ## ======================================= Coverage 41.84% 41.84% ======================================= Files 18 18 Lines 3047 3047 ======================================= Hits 1275 1275 Misses 1772 1772 ```

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[coveralls]

Pull Request Test Coverage Report for Build 8460192146

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 41.844%

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Totals
Change from base Build 8101851502:	0.0%
Covered Lines:	1275
Relevant Lines:	3047

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💛 - Coveralls

[epage]

Huh, looks like this was an over-aggressive copy/paste from another project in #176