chore(instrumentation-fastify): drop unused devDep @types/express (#2962)

Author: trentm

package-lock.json

@@ -54,7 +54,6 @@
     "@opentelemetry/instrumentation-http": "^0.203.0",
     "@opentelemetry/sdk-trace-base": "^2.0.0",
     "@opentelemetry/sdk-trace-node": "^2.0.0",
-    "@types/express": "4.17.23",
     "@types/mocha": "10.0.10",
     "@types/node": "18.15.3",
     "@types/semver": "7.5.8",