fix: remove duplicated words in log message and security warning

[aryanmotgi]

Summary

Two small typos in Python source where a word is duplicated:

1. python/packages/autogen-core/src/autogen_core/_single_threaded_agent_runtime.py:749

   • Before: "Exception raised in in intervention handler: {e}"
   • After: "Exception raised in intervention handler: {e}"

2. python/packages/autogen-core/src/autogen_core/tools/_function_tool.py:147

   • Before: "...import the provided global imports and and function code.\n"
   • After: "...import the provided global imports and function code.\n"

Both are user-visible strings (one is an error log, the other a UserWarning shown when loading a FunctionTool from config), so the duplicated words are surfaced to end users.

Notes

• Pure string fix; no behavior change.
• Diff is 2 lines across 2 files.
• Existing duplicate-word PRs (docs: fix duplicated words in Python docs #7690, docs: fix duplicated words in documentation (#7690) #7733) only touched markdown docs; these Python source occurrences were not included.

[aryanmotgi]

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