dependencies: Remove script-loader.

As of commit bf056c8 (#18251), this
is no longer used.

The PROVISION_VERSION bump is skipped because it’s already been bumped
several times since then, and waiting until the next one to actually
remove it is fine.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

package.json

@@ -60,7 +60,6 @@
     "postcss-nested": "^5.0.0",
     "postcss-simple-vars": "^6.0.0",
     "regenerator-runtime": "^0.13.3",
-    "script-loader": "^0.7.2",
     "shebang-loader": "^0.0.1",
     "simplebar": "^5.2.1",
     "sortablejs": "^1.9.0",

yarn.lock

@@ -10995,11 +10995,6 @@ raw-body@2.4.0:
     iconv-lite "0.4.24"
     unpipe "1.0.0"
 
-raw-loader@~0.5.1:
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/raw-loader/-/raw-loader-0.5.1.tgz#0c3d0beaed8a01c966d9787bf778281252a979aa"
-  integrity sha1-DD0L6u2KAclm2Xh793goElKpeao=
-
 read-pkg-up@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
@@ -11740,13 +11735,6 @@ schema-utils@^3.0.0:
     ajv "^6.12.5"
     ajv-keywords "^3.5.2"
 
-script-loader@^0.7.2:
-  version "0.7.2"
-  resolved "https://registry.yarnpkg.com/script-loader/-/script-loader-0.7.2.tgz#2016db6f86f25f5cf56da38915d83378bb166ba7"
-  integrity sha512-UMNLEvgOAQuzK8ji8qIscM3GIrRCWN6MmMXGD4SD5l6cSycgGsCo0tX5xRnfQcoghqct0tjHjcykgI1PyBE2aA==
-  dependencies:
-    raw-loader "~0.5.1"
-
 select-hose@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"