Delete python dependency installation code

CHANGELOG.md

@@ -6,6 +6,14 @@ Note that the only difference between `v2` and `v3` of the CodeQL Action is the
 
 ## [UNRELEASED]
 
+- The deprecated feature for extracting dependencies for a Python analysis has been removed. [#2224](https://github.com/github/codeql-action/pull/2224)
+
+  As a result, the following inputs and environment variables are now ignored:
+
+  - The `setup-python-dependencies` input to the `init` Action
+  - The `CODEQL_ACTION_DISABLE_PYTHON_DEPENDENCY_INSTALLATION` environment variable
+
+  We recommend removing any references to these from your workflows. For more information, see the release notes for CodeQL Action v3.23.0 and v2.23.0.
 - Automatically overwrite an existing database if found on the filesystem. [#2229](https://github.com/github/codeql-action/pull/2229)
 
 ## 3.24.10 - 05 Apr 2024

CODEOWNERS

@@ -1,3 +1 @@
 **/* @github/codeql-action-reviewers
-
-/python-setup/ @github/codeql-python @github/codeql-action-reviewers

init/action.yml

@@ -21,7 +21,7 @@ inputs:
       The build mode that will be used to analyze the language. This input is only available when
       analyzing a single CodeQL language per job, for example using a matrix.
 
-      Available build modes will differ based on the language being analyzed. One of: 
+      Available build modes will differ based on the language being analyzed. One of:
 
       - `none`:      The database will be created without building the source code.
                      Available for all interpreted languages and some compiled languages.
@@ -89,9 +89,8 @@ inputs:
     description: A token for fetching external config files and queries if they reside in a private repository in the same GitHub instance that is running this action.
     required: false
   setup-python-dependencies:
-    description: Try to auto-install your python dependencies
-    required: true
-    default: 'true'
+    description: DEPRECATED. This option is ignored since CodeQL Action no longer installs Python dependencies as of versions 3.25.0 and 2.25.0.
+    required: false
   source-root:
     description: Path of the root source code directory, relative to $GITHUB_WORKSPACE.
     required: false