Move youtube-dl, ffmpeg and phantomsjs to dev dependencies (fixes #280)

composer.json

@@ -7,8 +7,10 @@
   "require": {
     "ext-intl": "*",
     "ext-json": "*",
+    "anam/phantomjs-linux-x86-binary": "^2.1",
     "aura/session": "^2.1",
     "barracudanetworks/archivestream-php": "^1.0",
+    "ffmpeg/ffmpeg": "^4.1",
     "guzzlehttp/guzzle": "^6.5",
     "jawira/case-converter": "^3.4",
     "mathmarques/smarty-view": "^1.1",
@@ -18,12 +20,11 @@
     "symfony/process": "^4.0",
     "symfony/translation": "^4.0",
     "symfony/yaml": "^4.0",
+    "ytdl-org/youtube-dl": "^2020.05",
     "zonuexe/http-accept-language": "^0.4.1"
   },
   "require-dev": {
-    "anam/phantomjs-linux-x86-binary": "^2.1",
     "consolidation/robo": "^2.1",
-    "ffmpeg/ffmpeg": "^4.1",
     "heroku/heroku-buildpack-php": "^162.0",
     "php-mock/php-mock-mockery": "^1.3",
     "phpro/grumphp": "^0.18.0",
@@ -33,8 +34,7 @@
     "smarty-gettext/smarty-gettext": "^1.6",
     "squizlabs/php_codesniffer": "^3.5",
     "symfony/error-handler": "^5.0",
-    "symfony/var-dumper": "^5.0",
-    "ytdl-org/youtube-dl": "^2020.05"
+    "symfony/var-dumper": "^5.0"
   },
   "extra": {
     "paas": {
@@ -98,7 +98,6 @@
     }
   },
   "scripts": {
-    "compile": "composer install --ignore-platform-reqs",
     "lint": "grumphp run --ansi",
     "test": "phpunit",
     "release": "robo release",