Update dev container definitions

(Docker extension defaults to workspace extension)

Author: karolz-ms

containers/docker-in-docker-compose/.devcontainer/devcontainer.json

@@ -8,10 +8,7 @@
 	// Use 'settings' to set *default* container specific settings.json values on container create. 
 	// You can edit these settings after create using File > Preferences > Settings > Remote.
 	"settings": { 
-		"terminal.integrated.shell.linux": "/bin/bash",
-		"remote.extensionKind": {
-			"ms-azuretools.vscode-docker": "workspace"
-		}
+		"terminal.integrated.shell.linux": "/bin/bash"
 	},
 
 	// Uncomment the next line if you want start specific services in your Docker Compose config.

containers/docker-in-docker/.devcontainer/devcontainer.json

@@ -16,10 +16,7 @@
 	// Use 'settings' to set *default* container specific settings.json values on container create. 
 	// You can edit these settings after create using File > Preferences > Settings > Remote.
 	"settings": { 
-		"terminal.integrated.shell.linux": "/bin/bash",
-	    "remote.extensionKind": {
-			"ms-azuretools.vscode-docker": "workspace"
-		}	
+		"terminal.integrated.shell.linux": "/bin/bash"
 	},
 
 	// Uncomment the next line if you want to publish any ports.