Upgrade matrix-js-sdk to 5.3.1-rc.3

package.json

@@ -68,7 +68,7 @@
     "favico.js": "^0.3.10",
     "gfm.css": "^1.1.2",
     "highlight.js": "^9.13.1",
-    "matrix-js-sdk": "5.3.1-rc.2",
+    "matrix-js-sdk": "5.3.1-rc.3",
     "matrix-react-sdk": "2.5.0-rc.3",
     "olm": "https://packages.matrix.org/npm/olm/olm-3.1.4.tgz",
     "postcss-easings": "^2.0.0",

yarn.lock

@@ -7597,21 +7597,6 @@ mathml-tag-names@^2.1.1:
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.3.tgz#4ddadd67308e780cf16a47685878ee27b736a0a3"
   integrity sha512-APMBEanjybaPzUrfqU0IMU5I0AswKMH7k8OTLs0vvV4KZpExkTkY87nR/zpbuTPj+gARop7aGUbl11pnDfW6xg==
 
-matrix-js-sdk@5.3.1-rc.2:
-  version "5.3.1-rc.2"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-5.3.1-rc.2.tgz#437cb6aafa1be5d8750aa0e31baed76ef4fcb7da"
-  integrity sha512-VWwqjmSXaabXqwc4Lm+jHQEu3sBpHs9ni/zCW8kTf+jUDnJllCUDCRnGWY4F3QVNWT9nz9e5Nzojzq7ySiP7XA==
-  dependencies:
-    "@babel/runtime" "^7.8.3"
-    another-json "^0.2.0"
-    browser-request "^0.3.3"
-    bs58 "^4.0.1"
-    content-type "^1.0.2"
-    loglevel "^1.6.4"
-    qs "^6.5.2"
-    request "^2.88.0"
-    unhomoglyph "^1.0.2"
-
 matrix-js-sdk@5.3.1-rc.3:
   version "5.3.1-rc.3"
   resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-5.3.1-rc.3.tgz#fada68aaf9fadd2f423a297bba8193b5bd697316"