fix(vscode-intellisense): Make VS Code Intellisense work with ERPNext (#15453)

__init__.py in apps/erpnext directory confuses vs code.

Causing all erpnext dotted paths to need an extra `erpnext.` for 
suggestion and completion to work properly.

This commit fixes this issue.
diff --git a/__init__.py b/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/__init__.py
+++ /dev/null