Remove 'event-stream' as dependency (#1200)

* remove 'event-stream' as dependency

package-lock.json

@@ -3526,11 +3526,6 @@
         }
       }
     },
-    "duplexer": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz",
-      "integrity": "sha1-rOb/gIwc5mtX0ev5eXessCM0z8E="
-    },
     "duplexer3": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/duplexer3/-/duplexer3-0.1.4.tgz",
@@ -3957,20 +3952,6 @@
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
       "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
     },
-    "event-stream": {
-      "version": "3.3.4",
-      "resolved": "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz",
-      "integrity": "sha1-SrTJoPWlTbkzi0w02Gv86PSzVXE=",
-      "requires": {
-        "duplexer": "~0.1.1",
-        "from": "~0",
-        "map-stream": "~0.1.0",
-        "pause-stream": "0.0.11",
-        "split": "0.3",
-        "stream-combiner": "~0.0.4",
-        "through": "~2.3.1"
-      }
-    },
     "events": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/events/-/events-3.0.0.tgz",
@@ -4561,11 +4542,6 @@
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
-    "from": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/from/-/from-0.1.7.tgz",
-      "integrity": "sha1-g8YK/Fi5xWmXAH7Rp2izqzA6RP4="
-    },
     "from2": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/from2/-/from2-2.3.0.tgz",
@@ -6291,11 +6267,6 @@
       "resolved": "https://registry.npmjs.org/map-obj/-/map-obj-1.0.1.tgz",
       "integrity": "sha1-2TPOuSBdgr3PSIb2dCvcK03qFG0="
     },
-    "map-stream": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/map-stream/-/map-stream-0.1.0.tgz",
-      "integrity": "sha1-5WqpTEyAVaFkBKBnS3jyFffI4ZQ="
-    },
     "map-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/map-visit/-/map-visit-1.0.0.tgz",
@@ -7488,14 +7459,6 @@
         }
       }
     },
-    "pause-stream": {
-      "version": "0.0.11",
-      "resolved": "https://registry.npmjs.org/pause-stream/-/pause-stream-0.0.11.tgz",
-      "integrity": "sha1-/lo0sMvOErWqaitAPuLnO2AvFEU=",
-      "requires": {
-        "through": "~2.3"
-      }
-    },
     "pbkdf2": {
       "version": "3.0.17",
       "resolved": "https://registry.npmjs.org/pbkdf2/-/pbkdf2-3.0.17.tgz",
@@ -10268,14 +10231,6 @@
       "integrity": "sha512-1klA3Gi5PD1Wv9Q0wUoOQN1IWAuPu0D1U03ThXTr0cJ20+/iq2tHSDnK7Kk/0LXJ1ztUB2/1Os0wKmfyNgUQfg==",
       "dev": true
     },
-    "split": {
-      "version": "0.3.3",
-      "resolved": "https://registry.npmjs.org/split/-/split-0.3.3.tgz",
-      "integrity": "sha1-zQ7qXmOiEd//frDwkcQTPi0N0o8=",
-      "requires": {
-        "through": "2"
-      }
-    },
     "split-string": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/split-string/-/split-string-3.1.0.tgz",
@@ -10405,14 +10360,6 @@
         "readable-stream": "^2.0.2"
       }
     },
-    "stream-combiner": {
-      "version": "0.0.4",
-      "resolved": "https://registry.npmjs.org/stream-combiner/-/stream-combiner-0.0.4.tgz",
-      "integrity": "sha1-TV5DPBhSYd3mI8o/RMWGvPXErRQ=",
-      "requires": {
-        "duplexer": "~0.1.1"
-      }
-    },
     "stream-each": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/stream-each/-/stream-each-1.2.3.tgz",
@@ -11457,7 +11404,8 @@
     "through": {
       "version": "2.3.8",
       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
-      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
+      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
+      "dev": true
     },
     "through2": {
       "version": "2.0.5",

package.json

@@ -84,7 +84,6 @@
     "classnames": "^2.2.5",
     "document-env-vars": "^2.1.0",
     "dotenv": "^8.2.0",
-    "event-stream": "3.3.4",
     "express": "^4.16.4",
     "font-awesome": "^4.7.0",
     "helmet": "^3.21.2",