Update changelog.json (#2806)

remove "polygon" from "ploygon katana" entries

Author: gfletcher-cll

public/changelog.json

@@ -209,7 +209,7 @@
       "iconUrl": "https://docs.chain.link/assets/chains/polygon.svg"
     },
     "polygonkatana": {
-      "displayName": "Polygon Katana",
+      "displayName": "Katana",
       "iconUrl": "https://docs.chain.link/assets/chains/polygonkatana.svg"
     },
     "polygonzkevm": {
@@ -324,10 +324,10 @@
     {
       "category": "integration",
       "date": "2025-07-01",
-      "description": "Chainlink CCIP expands support to Polygon Katana Mainnet and Botanix Mainnet.",
+      "description": "Chainlink CCIP expands support to Katana Mainnet and Botanix Mainnet.",
       "newNetworks": [
         {
-          "displayName": "Polygon Katana Mainnet",
+          "displayName": "Katana Mainnet",
           "network": "polygonkatana",
           "url": "https://docs.chain.link/ccip/directory/mainnet/chain/polygon-mainnet-katana"
         },
@@ -338,21 +338,21 @@
         }
       ],
       "relatedNetworks": ["polygonkatana", "botanix"],
-      "title": "CCIP on Polygon Katana Mainnet and Botanix Mainnet",
+      "title": "CCIP on Katana Mainnet and Botanix Mainnet",
       "topic": "CCIP"
     },
     {
       "category": "integration",
       "date": "2025-06-30",
-      "description": "Chainlink Data Streams is available for new blockchains:\n\n- Botanix Mainnet\n- Polygon Katana Mainnet\n- Polygon Katana Testnet (Tatara)\n\nThe verifier proxy addresses and stream IDs are available on the [Stream Addresses](https://docs.chain.link/data-streams/crypto-streams) page.",
+      "description": "Chainlink Data Streams is available for new blockchains:\n\n- Botanix Mainnet\n- Katana Mainnet\n- Katana Testnet (Tatara)\n\nThe verifier proxy addresses and stream IDs are available on the [Stream Addresses](https://docs.chain.link/data-streams/crypto-streams) page.",
       "relatedNetworks": ["botanix", "polygonkatana"],
       "title": "Data Streams Expands to New Blockchains",
       "topic": "Data Streams"
     },
     {
       "category": "integration",
       "date": "2025-06-30",
-      "description": "Chainlink Data Feeds expands support to new blockchains:\n\n- Botanix Mainnet\n- Polygon Katana Mainnet\n- Polygon Katana Testnet (Tatara)\n\nView the available price feed information on the [Price Feed Addresses](https://docs.chain.link/data-feeds/price-feeds/addresses?network=botanix&page=1) page.",
+      "description": "Chainlink Data Feeds expands support to new blockchains:\n\n- Botanix Mainnet\n- Katana Mainnet\n- Katana Testnet (Tatara)\n\nView the available price feed information on the [Price Feed Addresses](https://docs.chain.link/data-feeds/price-feeds/addresses?network=botanix&page=1) page.",
       "relatedNetworks": ["botanix", "polygonkatana"],
       "title": "Data Feeds Expands to New Blockchains",
       "topic": "Data Feeds"