Remove unused dependencies

gulpfile.js

@@ -2,8 +2,6 @@
 
 var gulp = require('gulp');
 
-var concat = require('gulp-concat');
-var rename = require('gulp-rename');
 var terser = require('gulp-terser');
 var sass = require('gulp-sass');
 var flatten = require('gulp-flatten');

package.json

@@ -13,26 +13,21 @@
     "bootstrap": "^4.4.1",
     "bootstrap-select": "^1.13.12",
     "fullcalendar": "^3.10.1",
-    "gulp-flatten": "^0.4.0",
     "jquery": "^3.4.1",
     "konami": "^1.6.2",
     "moment": "^2.24.0",
     "popper.js": "^1.16.1",
     "raven-js": "^3.27.2",
-    "transform": "^1.1.2"
   },
   "devDependencies": {
-    "animate-sass": "^0.8.2",
     "browser-sync": "^2.26.7",
     "gulp": "^4.0.2",
     "gulp-clean-css": "^4.2.0",
-    "gulp-concat": "^2.6.1",
-    "gulp-plumber": "^1.2.1",
     "gulp-postcss": "^8.0.0",
-    "gulp-rename": "^2.0.0",
     "gulp-sass": "^4.0.2",
     "gulp-sourcemaps": "^2.6.5",
     "gulp-terser": "^1.2.0",
-    "node-sass": "^4.13.1"
+    "node-sass": "^4.13.1",
+    "gulp-flatten": "^0.4.0",
   }
 }

requirements.txt

@@ -8,7 +8,6 @@ django-recaptcha==2.0.6
 django-registration-redux==2.7
 django-reversion==3.0.7
 django-widget-tweaks==1.4.5
-django-gulp==4.1.0
 gunicorn==20.0.4
 icalendar==4.0.4
 lxml==4.5.0