Removed the material-design dependency.

package-lock.json

@@ -2280,9 +2280,9 @@
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         },
         "gsap": {
-            "version": "2.1.2",
-            "resolved": "https://registry.npmjs.org/gsap/-/gsap-2.1.2.tgz",
-            "integrity": "sha512-7saMzK2HQ3OD4/hbygtkh0uAK8LUqcom6abL4YqGttyxAQdEvywQOw5VK3obKQ7GaLU8KhszArKJPxIKe8mbvg=="
+            "version": "2.1.3",
+            "resolved": "https://registry.npmjs.org/gsap/-/gsap-2.1.3.tgz",
+            "integrity": "sha512-8RFASCqi2FOCBuv7X4o7M6bLdy+1hbR0azg+MG7zz+EVsI+OmJblYsTk0GEepQd2Jg/ItMPiVTibF7r3EVxjZQ=="
         },
         "gulp": {
             "version": "4.0.2",
@@ -2887,11 +2887,6 @@
                 }
             }
         },
-        "material-design-icons": {
-            "version": "3.0.1",
-            "resolved": "https://registry.npmjs.org/material-design-icons/-/material-design-icons-3.0.1.tgz",
-            "integrity": "sha1-mnHEh0chjrylHlGmbaaCA4zct78="
-        },
         "micromatch": {
             "version": "3.1.10",
             "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",