refactor: remove seq id from Client

[trim21]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 84.61538% with 2 lines in your changes missing coverage. Please review.

Project coverage is 77.51%. Comparing base (34bacc7) to head (558ea7b). Report is 62 commits behind head on master.

Files	Patch %	Lines
transmission_rpc/client.py	84.61%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #427 +/- ## ========================================== + Coverage 77.49% 77.51% +0.01% ========================================== Files 14 14 Lines 1471 1472 +1 ========================================== + Hits 1140 1141 +1 Misses 331 331 ``` | [Flag](https://app.codecov.io/gh/trim21/transmission-rpc/pull/427/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Trim21) | Coverage Δ | | |---|---|---| | [3.10](https://app.codecov.io/gh/trim21/transmission-rpc/pull/427/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Trim21) | `77.51% <84.61%> (+0.01%)` | :arrow_up: | | [3.11](https://app.codecov.io/gh/trim21/transmission-rpc/pull/427/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Trim21) | `77.51% <84.61%> (+0.01%)` | :arrow_up: | | [3.12](https://app.codecov.io/gh/trim21/transmission-rpc/pull/427/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Trim21) | `77.51% <84.61%> (+0.01%)` | :arrow_up: | | [3.8](https://app.codecov.io/gh/trim21/transmission-rpc/pull/427/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Trim21) | `77.49% <84.61%> (+0.01%)` | :arrow_up: | | [3.9](https://app.codecov.io/gh/trim21/transmission-rpc/pull/427/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Trim21) | `77.49% <84.61%> (+0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Trim21#carryforward-flags-in-the-pull-request-comment) to find out more.

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