ci: remove pixi from precommits

Author: JesperDramsch

.pre-commit-config.yaml

@@ -60,23 +60,6 @@ repos:
     - --disable=E113 # Disable empty docstrings
     - --summary # Print a summary
 
-# Conference data validation
-- repo: local
-  hooks:
-  - id: conference-data-validation
-    name: Validate conference data schema
-    entry: pixi run sort
-    language: system
-    files: '^_data/(conferences|archive|legacy)\.yml$'
-    pass_filenames: false
-
-  - id: conference-csv-validation
-    name: Validate CSV conference data
-    entry: pixi run lint
-    language: system
-    files: '^utils/conferences/.*\.csv$'
-    pass_filenames: false
-
 ci:
   autofix_commit_msg: |
     [pre-commit.ci] auto fixes from pre-commit.com hooks