dev-embedded/esp-idf: remove unused patch

Signed-off-by: David Roman <davidroman96@gmail.com>

dev-embedded/esp-idf/files/allow-system-install-esp-idf-5.1.2.patch

@@ -1,12 +0,0 @@
-diff --git a/tools/idf_tools.py b/tools/idf_tools.py
-index 8a17ed224d..2103e9d60a 100755
---- a/tools/idf_tools.py
-+++ b/tools/idf_tools.py
-@@ -2113,6 +2113,7 @@ def action_install_python_env(args):  # type: ignore
- 
- 
- def action_check_python_dependencies(args):  # type: ignore
-+    return
-     use_constraints = not args.no_constraints
-     req_paths = get_requirements('')  # no new features -> just detect the existing ones
-