[Workers AI] Update DeepSeek V4 models and unpin catalog models (#32973)

Author: mchenco

src/content/workers-ai-models/deepseek-v4-flash-0731.json

@@ -7,7 +7,7 @@
         },
         {
             "property_id": "context_window",
-            "value": "1048576"
+            "value": "1310720"
         },
         {
             "property_id": "function_calling",

src/content/workers-ai-models/deepseek-v4-pro-0813.json

@@ -17,10 +17,6 @@
             "property_id": "reasoning",
             "value": "true"
         },
-        {
-            "property_id": "vision",
-            "value": "false"
-        },
         {
             "property_id": "price",
             "value": [

src/util/models/facets.ts

@@ -31,12 +31,7 @@ export interface FacetGroup {
  * array index) in both directions; the rest sort by `created_at`. No-op if none
  * are present.
  */
-export const pinnedModelNames = [
-	"@cf/moonshotai/kimi-k2.7-code",
-	"@cf/zai-org/glm-4.7-flash",
-	"@cf/openai/gpt-oss-120b",
-	"@cf/meta/llama-4-scout-17b-16e-instruct",
-];
+export const pinnedModelNames: string[] = [];
 
 const providerSlug = (model: ModelCardData): string =>
 	model.hosting === "proxied" ? "third-party" : "cloudflare-hosted";