Revert "Fixing an issue where EXTDrawBuffers.drawBuffersEXT was not getting generated."

tools/dom/dom.json

 {
   "AbstractWorker": {
     "comment": "http://www.w3.org/TR/workers/#the-abstractworker-abstract-interface",
     "members": {
       "addEventListener": {},
       "dispatchEvent": {},
       "onerror": {},
       "removeEventListener": {}
     },
     "support_level": "stable"
@@ skipping 2135 matching lines @@
       "DRAW_BUFFER1_EXT": {},
       "DRAW_BUFFER2_EXT": {},
       "DRAW_BUFFER3_EXT": {},
       "DRAW_BUFFER4_EXT": {},
       "DRAW_BUFFER5_EXT": {},
       "DRAW_BUFFER6_EXT": {},
       "DRAW_BUFFER7_EXT": {},
       "DRAW_BUFFER8_EXT": {},
       "DRAW_BUFFER9_EXT": {},
       "MAX_COLOR_ATTACHMENTS_EXT": {},
-      "MAX_DRAW_BUFFERS_EXT": {},
-      "drawBuffersEXT": {}
+      "MAX_DRAW_BUFFERS_EXT": {}
     },
     "support_level": "stable"
   },
   "EXTFragDepth": {
     "comment": "http://www.khronos.org/registry/webgl/extensions/EXT_frag_depth/",
     "members": {},
     "support_level": "experimental"
   },
   "EXTTextureFilterAnisotropic": {
     "comment": "http://www.khronos.org/registry/webgl/extensions/EXT_texture_filter_anisotropic/",
@@ skipping 9618 matching lines @@
       "getParameter": {},
       "importStylesheet": {},
       "removeParameter": {},
       "reset": {},
       "setParameter": {},
       "transformToDocument": {},
       "transformToFragment": {}
     },
     "support_level": "nonstandard"
   }
-}
+}