Remove Codicons references from webview

extensions/ql-vscode/src/abstract-interface-manager.ts

@@ -55,8 +55,7 @@ export abstract class AbstractInterfaceManager<ToMessage extends WebviewMessage,
           localResourceRoots: [
             ...(config.additionalOptions?.localResourceRoots ?? []),
             Uri.file(tmpDir.name),
-            Uri.file(path.join(ctx.extensionPath, 'out')),
-            Uri.file(path.join(ctx.extensionPath, 'node_modules/@vscode/codicons/dist')),
+            Uri.file(path.join(ctx.extensionPath, 'out'))
           ],
         }
       );

extensions/ql-vscode/src/interface-utils.ts

@@ -138,15 +138,8 @@ export function getHtmlForWebview(
     ctx.asAbsolutePath('out/webview.js')
   );
 
-  // Allows use of the VS Code "codicons" icon set.
-  // See https://github.com/microsoft/vscode-codicons
-  const codiconsPathOnDisk = Uri.file(
-    ctx.asAbsolutePath('node_modules/@vscode/codicons/dist/codicon.css')
-  );
-
   const stylesheetUrisOnDisk = [
-    Uri.file(ctx.asAbsolutePath('out/webview.css')),
-    codiconsPathOnDisk
+    Uri.file(ctx.asAbsolutePath('out/webview.css'))
   ];
 
   // Convert the on-disk URIs into webview URIs.