Remove binary download introduction reference to Cypress 3.0 (#6180)

Author: MikeMcC399

docs/app/continuous-integration/overview.mdx

@@ -431,8 +431,7 @@ If you see a message about a missing dependency when you run Cypress in a Linux
 
 ### Caching
 
-As of [Cypress version 3.0](/app/references/changelog#3-0-0), Cypress
-downloads its binary to the global system cache - on linux that is
+Cypress downloads its binary to the global system cache - on Linux that is
 `~/.cache/Cypress`. By ensuring this cache persists across builds you can save
 minutes off install time by preventing a large binary download.
 

docs/app/references/advanced-installation.mdx

@@ -147,7 +147,7 @@ DEBUG=cypress:cli* pnpm cypress install
 
 ## Binary cache
 
-As of version `3.0`, Cypress downloads the matching Cypress binary to the global
+Cypress downloads the matching Cypress binary to the global
 system cache, so that the binary can be shared between projects. By default,
 global cache folders are: