remove github.copilot extension

.devcontainer/devcontainer.json

@@ -17,8 +17,6 @@
 
     "postCreateCommand": "ln -s /freqtrade/.env /workspaces/freqtrade/.env && freqtrade create-userdir --userdir user_data/",    
 
-    "workspaceFolder": "/workspaces/freqtrade",
-
     "settings": {
         "terminal.integrated.shell.linux": "/bin/bash",
         "editor.insertSpaces": true,
@@ -36,6 +34,5 @@
         "davidanson.vscode-markdownlint",
         "ms-azuretools.vscode-docker",
         "vscode-icons-team.vscode-icons",        
-        "github.copilot",
     ],
 }