rm clone & extend & (bonus) colormap from plotlyjs package.json

Author: etpinard

shelly/plotlyjs/static/plotlyjs/package.json

@@ -12,11 +12,8 @@
     "alpha-shape": "^1.0.0",
     "arraytools": "^1.0.0",
     "browserify": "^6.1.0",
-    "clone": "^1.0.2",
-    "colormap": "^1.3.1",
     "convex-hull": "^1.0.3",
     "delaunay-triangulate": "^1.1.6",
-    "extend": "^3.0.0",
     "gl-error3d": "^1.0.0",
     "gl-line3d": "^1.0.1",
     "gl-mat4": "^1.1.2",