Remove 'stream' dependency (#8541)

Author: JoeRobich

package-lock.json

@@ -109,7 +109,6 @@
     "ps-list": "7.2.0",
     "rxjs": "6.6.7",
     "semver": "7.5.4",
-    "stream": "0.0.2",
     "strip-bom": "5.0.0",
     "strip-bom-buf": "2.0.0",
     "vscode-html-languageservice": "^5.3.1",