Simplify CLI args for Playwright

docs/toolhive/guides-mcp/playwright.mdx

@@ -86,13 +86,6 @@ command argument as shown in the screenshot below.
   title='Playwright MCP server UI'
 />
 
-:::note[Important]
-
-Don't remove the `--port 8931` or `--allowed-hosts "*"` arguments. They are
-required for the server to function correctly in ToolHive.
-
-:::
-
 </TabItem>
 <TabItem value='cli' label='CLI'>
 
@@ -105,15 +98,13 @@ thv run playwright
 Emulate a mobile device for responsive testing:
 
 ```bash {2}
-thv run playwright -- --port 8931 --allowed-hosts "*" \
-  --device "iPhone 15"
+thv run playwright -- --device "iPhone 15"
 ```
 
 Restrict access to specific domains:
 
 ```bash {2}
-thv run playwright -- --port 8931 --allowed-hosts "*" \
-  --allowed-origins "example.com;trusted-site.com"
+thv run playwright -- --allowed-origins "example.com;trusted-site.com"
 ```
 
 Mount a host directory (e.g., `~/playwright-output`) to save browser output
@@ -123,34 +114,25 @@ files like screenshots and traces:
 mkdir ~/playwright-output
 thv run \
   --volume ~/playwright-output:/browser-output playwright \
-  -- --port 8931 --allowed-hosts "*" \
-     --output-dir /browser-output --save-trace --save-session
+  -- --output-dir /browser-output --save-trace --save-session
 ```
 
 You can run multiple instances of the server with different configurations by
 giving each a unique name:
 
 ```bash {1,5}
 thv run --name playwright-desktop playwright \
-  -- --port 8931 --allowed-hosts "*" \
-     --device "Desktop Chrome" --viewport-size 1920,1080
+  -- --device "Desktop Chrome" --viewport-size 1920,1080
 
 thv run --name playwright-iphone playwright \
-  -- --port 8931 --allowed-hosts "*" \
-     --device "iPhone 15"
+  -- --device "iPhone 15"
 ```
 
-:::note[Important]
-
-Don't remove the `--port 8931` or `--allowed-hosts "*"` arguments. They are
-required for the server to function correctly in ToolHive.
-
-:::
-
 </TabItem>
 <TabItem value='k8s' label='Kubernetes'>
 
-Create a basic Kubernetes manifest to deploy the Playwright MCP server:
+Create a basic Kubernetes manifest to deploy the Playwright MCP server using the
+Streamable HTTP transport:
 
 ```yaml title="playwright.yaml"
 apiVersion: toolhive.stacklok.dev/v1alpha1
@@ -173,7 +155,7 @@ spec:
 :::note[Important]
 
 Don't remove the `--port 8931` or `--allowed-hosts "*"` arguments. They are
-required for the server to function correctly in ToolHive.
+required to run the server using Streamable HTTP.
 
 :::