ci: remove self-references from workflow path filters

Editing a workflow YAML file should not trigger that same workflow
to run. Removes .github/workflows/<file> from its own paths filter
in mypy.yml, prek.yaml, and unit-tests.yaml.

.github/workflows/mypy.yml

@@ -9,14 +9,12 @@ on:
       - 'pyproject.toml'
       - 'uv.lock'
       - 'mypy_allowlist.txt'
-      - '.github/workflows/mypy.yml'
   pull_request:
     paths:
       - 'codeflash/**'
       - 'pyproject.toml'
       - 'uv.lock'
       - 'mypy_allowlist.txt'
-      - '.github/workflows/mypy.yml'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}

.github/workflows/prek.yaml

@@ -7,7 +7,6 @@ on:
       - 'packages/**'
       - 'pyproject.toml'
       - 'uv.lock'
-      - '.github/workflows/prek.yaml'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}

.github/workflows/unit-tests.yaml

@@ -11,7 +11,6 @@ on:
       - 'packages/**'
       - 'pyproject.toml'
       - 'uv.lock'
-      - '.github/workflows/unit-tests.yaml'
   pull_request:
     paths:
       - 'codeflash/**'
@@ -21,7 +20,6 @@ on:
       - 'packages/**'
       - 'pyproject.toml'
       - 'uv.lock'
-      - '.github/workflows/unit-tests.yaml'
   workflow_dispatch:
 
 concurrency: