Remove Supgraph-related content + revamp quickstart guide for Ethereum and Polygon (#867)

* fix

* changes

* polygon

* REMOVE SUBGRAPHS

* fixes

* fix redirects

Author: AlvaroLuken

fern/api-reference/alchemy-rollups/customizations-integrations.mdx

@@ -55,12 +55,6 @@ Leverage our full suite of developer tools—the same ones powering leading plat
 * **Optimized Throughput:** Ensures transactions are processed quickly by mitigating gas fee spikes.
 * **Enhanced User Experience:** Reduces friction, making it easier for users to engage with your dApp.
 
-### Subgraphs
-
-* **Effortless Indexing:** Deploy custom GraphQL APIs for fast, reliable on-chain data indexing.
-* **Real-Time Data Access:** Provides speedy querying of your blockchain data.
-* **Customizable APIs:** Tailor the subgraph to suit your application’s specific data requirements.
-
 ***
 
 # 3. Partner Marketplace

fern/api-reference/data/blockchain-data-at-scale.mdx

@@ -22,12 +22,3 @@ Use Webhooks to build fast and reliable push notifications, create alerts on any
 | ----------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | ![Image 1](https://alchemyapi-res.cloudinary.com/image/upload/v1764179968/docs/api-reference/data/fccfc148ba4f51a0b70f29f752b6f34eef7393448ef6b8b34ec3ff12837f2119-Screenshot_2025-02-24_at_4.35.05_PM.png)                      | ![Image 2](https://alchemyapi-res.cloudinary.com/image/upload/v1764179968/docs/api-reference/data/b32f4f59ad4bf5e861689427cf49d9aa4fcd0f4f1e769fea4b347706e70d2296-Screenshot_2025-02-24_at_4.34.52_PM.png)                                                 |
 | **Ideal for:** Push notifications, wallets, consumer facing apps<br /><br />**How it works:** Define your Webhook and start receiving relevant events | **Ideal for:** Infinite customization, specific data needs, multi-chain apps<br /><br />**How it works:** Customize your event to your exact needs and immediately receive them. |
-
-## Ship lightning fast with Subgraphs
-
-Leverage Alchemy Subgraphs to ship features as soon as possible, simplify your infrastructure, and not worry about scaling.
-
-| [**Subgraphs**](/reference/subgraphs-quickstart)                                                                                                                            | [**Community**](/reference/community-subgraphs)                                                                                                   |
-| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- |
-| ![Image 1](https://alchemyapi-res.cloudinary.com/image/upload/v1764179969/docs/api-reference/data/d7fe7e657ef8b453c07750404e425ebf5588d17cd6f75f390bb6754b01f47849-Screenshot_2025-02-24_at_4.36.12_PM.png)                                                        | ![Image 2](https://alchemyapi-res.cloudinary.com/image/upload/v1764179970/docs/api-reference/data/14d450a6a4cc9eecdd5ca4066a4b66570ac9e76ea0ca834c43e8351d2f20e9a4-Screenshot_2025-02-24_at_4.36.52_PM.png)                              |
-| **Ideal for:** Scaling existing Subgraphs, moving quickly with Subgraph indexing<br /><br />**How it works:** Define your Subgraph, let Alchemy handle the infra, and query via GraphQL | **Ideal for:** Immediate data querying, common use-cases<br /><br />**How it works:** Select a community Subgraph and immediately start querying via GraphQL. |