Remove @types/classnames package

`classnames` provides its own type definitions, so we do not need to
have this installed.

extensions/ql-vscode/package-lock.json

@@ -72,7 +72,6 @@
         "@testing-library/react": "^14.0.0",
         "@testing-library/user-event": "^14.4.3",
         "@types/child-process-promise": "^2.2.1",
-        "@types/classnames": "^2.2.9",
         "@types/d3": "^7.4.0",
         "@types/d3-graphviz": "^2.6.6",
         "@types/del": "^4.0.0",
@@ -7140,16 +7139,6 @@
         "@types/node": "*"
       }
     },
-    "node_modules/@types/classnames": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/@types/classnames/-/classnames-2.3.1.tgz",
-      "integrity": "sha512-zeOWb0JGBoVmlQoznvqXbE0tEC/HONsnoUNH19Hc96NFsTAwTXbTqb8FMYkru1F/iqp7a18Ws3nWJvtA1sHD1A==",
-      "deprecated": "This is a stub types definition. classnames provides its own type definitions, so you do not need this installed.",
-      "dev": true,
-      "dependencies": {
-        "classnames": "*"
-      }
-    },
     "node_modules/@types/connect": {
       "version": "3.4.38",
       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",

extensions/ql-vscode/package.json

@@ -1974,7 +1974,6 @@
     "@testing-library/react": "^14.0.0",
     "@testing-library/user-event": "^14.4.3",
     "@types/child-process-promise": "^2.2.1",
-    "@types/classnames": "^2.2.9",
     "@types/d3": "^7.4.0",
     "@types/d3-graphviz": "^2.6.6",
     "@types/del": "^4.0.0",