refactor: cleanup unused dependencies in benchpress package (#37676)

Removes unused packages from the benchpress `package.json`. That
helps with deduping dependencies, and avoiding unused code
being downloaded.

PR Close #37676

packages/benchpress/BUILD.bazel

@@ -14,8 +14,6 @@ ts_library(
         "//packages:types",
         "//packages/core",
         "@npm//@types/node",
-        "@npm//@types/q",
-        "@npm//q",
         "@npm//reflect-metadata",
     ],
 )

packages/benchpress/package.json

@@ -7,12 +7,7 @@
   "strictNullChecks": true,
   "dependencies": {
     "@angular/core": "^9.0.0",
-    "@types/node": "^12.11.1",
-    "@types/q": "^1.5.2",
-    "protractor": "^5.4.2",
-    "q": "^1.5.1",
-    "reflect-metadata": "^0.1.2",
-    "selenium-webdriver": "^2.53.3"
+    "reflect-metadata": "^0.1.13"
   },
   "repository": {
     "type": "git",