Clean up platforms page (#11011)

Clean up language and delete SDKs that are no longer being maintained.

docs/platforms/index.mdx

@@ -4,13 +4,13 @@ sidebar_order: 2
 notoc: true
 ---
 
-To report to Sentry you’ll need to use a language-specific SDK. The Sentry team builds and maintains these for most popular languages, but there’s also a large ecosystem supported by the community.
+Sentry provides code-level observability that makes it easy to diagnose issues and learn continuously about your application code health. Data is captured by using an SDK within your application’s runtime. The Sentry team builds and maintains SDKs for most popular languages and frameworks, but there’s also a large ecosystem supported by the community.
 
-If your use-case is very specific, or not covered by Sentry, you'll find documentation on how to report events on your own using our [SDK API](https://develop.sentry.dev/sdk/overview/).
+If your use case is very specific, or not covered by Sentry, you'll find documentation on how to report events on your own using our [SDK API](https://develop.sentry.dev/sdk/overview/).
 
 <Note>
 
-It is bad practice to use Sentry SDKs in third-party plugins, packages, and libraries (such as payment SDKs or embeddable widgets) meant to be consumed by other apps. If an app uses a Sentry SDK, as well as a third-party package with its own Sentry SDK installed, then the following issues can occur:
+It's considered bad practice to use Sentry SDKs in third-party plugins, packages, and libraries (such as payment SDKs or embeddable widgets) meant to be consumed by other apps. If an app uses a Sentry SDK in addition to a third-party package with its own Sentry SDK installed, the following issues can occur:
 
 - Version conflicts.
 - [Signal handlers](https://en.wikipedia.org/wiki/C_signal_handling) may overwrite each other, leading to one of the Sentry SDKs operating incorrectly.
@@ -26,7 +26,6 @@ It is bad practice to use Sentry SDKs in third-party plugins, packages, and libr
 
 These SDKs are maintained and supported by [the Sentry community](https://open.sentry.io/). While generally our community does a great job at responding to issues, it's important to understand that Sentry staff cannot help you with issues using a community-supported SDK.
 
-- [_AdonisJS_](https://github.com/Perafan18/adonis-sentry)
 - Clojure
   - [_sentry-clj_](https://github.com/getsentry/sentry-clj)
   - [_raven-clj_](https://github.com/sethtrain/raven-clj#alternatives)
@@ -40,13 +39,12 @@ These SDKs are maintained and supported by [the Sentry community](https://open.s
 - [_Lua_](https://github.com/cloudflare/raven-lua)
 - [_Nuxt 2_](https://github.com/nuxt-community/sentry-module)
 - [_OCaml_](https://github.com/brendanlong/sentry-ocaml)
-- [_Perl_](https://github.com/getsentry/perl-raven)
 - [_Scrapy_](https://github.com/llonchj/scrapy-sentry)
 - [_Serverless Framework Node_](https://github.com/arabold/serverless-sentry-plugin)
 - [_Strapi_](https://github.com/strapi/strapi/tree/master/packages/plugins/sentry)
 - [_Terraform_](https://github.com/jianyuan/terraform-provider-sentry)
 - [_WordPress_](https://github.com/stayallive/wp-sentry)
 
-## Other platforms
+## Other Platforms
 
-Your favorite language or framework still cannot be found? Then we encourage you to consider [writing your own SDK](https://develop.sentry.dev/sdk/).
+Still can't find your favorite language or framework? Then we encourage you to consider [writing your own SDK](https://develop.sentry.dev/sdk/).