Adjusted M1 agent system prompt to remove TERMINATE #4010

Job	Run time
mypy (./packages/autogen-core)	3m 34s
lint	1m 4s
format	1m 3s
mypy (./packages/autogen-magentic-one)	1m 14s
mypy (./packages/agbench)	58s
pyright (./packages/autogen-core)	1m 17s
mypy (./packages/autogen-ext)	3m 24s
pyright (./packages/autogen-magentic-one)	1m 13s
mypy (./packages/autogen-agentchat)	1m 24s
pyright (./packages/agbench)	53s
mypy (./packages/magentic-one-cli)	1m 34s
pyright (./packages/autogen-ext)	1m 13s
pyright (./packages/autogen-agentchat)	1m 1s
pyright (./packages/magentic-one-cli)	1m 4s
check-proto-changes-python	1m 17s
docs (./packages/autogen-core)	2m 1s
docs-example-check (./packages/autogen-core)	3m 28s
markdown-code-lint	2m 21s
samples-code-check	1m 1s
test (./packages/autogen-core)	1m 24s
test (./packages/autogen-magentic-one)	2m 24s
test (./packages/autogen-ext)	4m 23s
test (./packages/autogen-agentchat)	1m 18s
codecov (./packages/autogen-core)	7s
codecov (./packages/autogen-magentic-one)	12s
codecov (./packages/autogen-ext)	12s
codecov (./packages/autogen-agentchat)	14s
	41m 18s

Provide feedback