ci: remove self-reference from codeflash-optimize paths

Editing the workflow config shouldn't trigger a full optimization run.

Author: KRRT7

.github/workflows/codeflash-optimize.yaml

@@ -7,7 +7,6 @@ on:
       - 'tests/**'
       - 'pyproject.toml'
       - 'uv.lock'
-      - '.github/workflows/codeflash-optimize.yaml'
 
   workflow_dispatch: