Merge pull request #16080 from overleaf/mj-analytics-underscore

[analytics] Remove underscore library

GitOrigin-RevId: a44858a39cd92911d0831404fa4d7aaf862119d6

package-lock.json

@@ -40310,7 +40310,6 @@
         "recurly": "^4.0.1",
         "request": "^2.88.2",
         "sequelize": "^6.31.0",
-        "underscore": "^1.9.2",
         "yargs": "^17.0.0"
       },
       "devDependencies": {
@@ -50515,7 +50514,6 @@
         "sequelize-cli": "^6.6.0",
         "sinon": "^9.2.4",
         "sinon-chai": "^3.7.0",
-        "underscore": "^1.9.2",
         "yargs": "^17.0.0"
       },
       "dependencies": {