avoid copy ck

[valarLip]

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[Copilot]

Pull Request Overview

This PR removes the CK library copying mechanism during build time and switches to using CK libraries directly from their source locations. The change eliminates unnecessary file system operations that were copying CK header files to a temporary directory before each build.

Key changes:

• Removed the recopy_ck() function that was copying CK library files
• Updated include paths to point directly to CK source directories instead of copied directories
• Updated copyright notice format in the CK config header

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
aiter/jit/core.py	Removed recopy_ck() function and its invocation; updated include paths to reference CK libraries directly from CK_3RDPARTY_DIR and CK_HELPER_DIR
3rdparty/ck_helper/ck/config.h	Changed copyright notice format from lowercase "(c)" to uppercase "(C)"

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