Update lua/astrocommunity/completion/avante-nvim/README.md

Co-authored-by: Uzair Aftab <[email protected]>

Author: vonhyou

lua/astrocommunity/completion/avante-nvim/README.md

@@ -1,24 +1,5 @@
 Avante.nvim is a Neovim plugin that emulates the Cursor AI IDE's functionality. It provides AI-driven code suggestions and allows users to apply these recommendations directly to their source files with minimal effort.
 
-Everytime you open a file, the plugin will ask you to enter an Anthropic API key for Claude 3.5 Sonnet. To avoid repeating this, set an environment variable to store your API key locally:
-
-For Claude:
-
-```sh
-export ANTHROPIC_API_KEY=your-api-key
-```
-
-For OpenAI:
-
-```sh
-export OPENAI_API_KEY=your-api-key
-```
-
-For Azure OpenAI:
-
-```sh
-export AZURE_OPENAI_API_KEY=your-api-key
-```
 
 > [!IMPORTANT]
 >