Fix docker.py. Remove unnecessary telegraf token field

[badrogger]

Changes

• Fixes docker.py. Related to https://github.com/docker/docker-py/issues/3256.
• Remove unused influx token field.

Tests:

• Fixed unit tests.
• Tested on local network.

Performance:

• No performance releated changes were introduced.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 81.55%. Comparing base (25f3759) to head (3a07823).

Files	Patch %	Lines
core/monitoring.py	33.33%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #1074 +/- ## ======================================== Coverage 81.55% 81.55% ======================================== Files 103 103 Lines 6050 6050 ======================================== Hits 4934 4934 Misses 1116 1116 ```

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