Remove deprecated InorbitConnectorConfig class

[b-Tomas]

Summary

• Remove InorbitConnectorConfig class from models.py and the isinstance guard + deprecation warning in Connector.__init__
• Convert all tests to use ConnectorConfig with fleet param; port env-var tests to TestConnectorConfig
• Remove import warnings from connector.py (no longer needed)
• Remove deprecated section from docs/contents/specification/models.md

Breaking changes

InorbitConnectorConfig has been removed. Connectors that subclass or instantiate it must switch to ConnectorConfig with a fleet list:

# Before
from inorbit_connector.models import InorbitConnectorConfig

config = InorbitConnectorConfig(
    api_key="...",
    connector_type="my_connector",
    connector_config=MyConfig(),
)
connector = Connector("robot_1", config)

# After
from inorbit_connector.models import ConnectorConfig, RobotConfig

config = ConnectorConfig(
    api_key="...",
    connector_type="my_connector",
    connector_config=MyConfig(),
    fleet=[RobotConfig(robot_id="robot_1")],
)
connector = Connector("robot_1", config)

The to_fleet_config() conversion method is also removed — callers already have the fleet structure.

[Copilot]

Pull request overview

Removes the deprecated InorbitConnectorConfig class and its to_fleet_config() helper from the models module, eliminating the corresponding isinstance branch and DeprecationWarning in Connector.__init__. Tests are migrated to instantiate ConnectorConfig directly with a fleet=[RobotConfig(...)] argument, and the related deprecation section in the docs is dropped.

Changes:

• Drop InorbitConnectorConfig class and to_fleet_config() from models.py; simplify Connector.__init__ to always call to_singular_config().
• Port all test_connector.py / test_models.py cases (including env-var tests) to ConnectorConfig + RobotConfig, removing filterwarnings decorators.
• Remove the "Deprecated: InorbitConnectorConfig" section from docs/contents/specification/models.md and unused warnings/import references.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
inorbit_connector/models.py	Removes InorbitConnectorConfig class; updates a docstring reference.
inorbit_connector/connector.py	Drops isinstance deprecation branch and unused warnings import; updates __init__ docstring.
tests/test_models.py	Removes TestInorbitConnectorConfig and TestInorbitConnectorConfigToFleetConfig; moves env-var tests into TestConnectorConfig.
tests/test_connector.py	Migrates all connector tests to ConnectorConfig with explicit fleet=[RobotConfig(...)]; removes deprecation filter markers.
docs/contents/specification/models.md	Removes documentation of deprecated InorbitConnectorConfig.

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