Remove deprecated texture usage names

Bug: dawn:22
Change-Id: I1cad029d32059919d02e27f39905a1c6bfbcda42
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/63744
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Brandon Jones <bajones@google.com>
Reviewed-by: Austin Eng <enga@chromium.org>

dawn.json

@@ -2074,10 +2074,7 @@
             {"value": 4, "name": "texture binding"},
             {"value": 8, "name": "storage binding"},
             {"value": 16, "name": "render attachment"},
-            {"value": 32, "name": "present"},
-
-            {"value": 4, "name": "sampled", "deprecated": true},
-            {"value": 8, "name": "storage", "deprecated": true}
+            {"value": 32, "name": "present"}
         ]
     },
     "texture view descriptor": {