chore: remove selector api

Author: trueadm

sites/svelte-5-preview/src/routes/docs/content/01-api/03-functions.md

@@ -2,7 +2,7 @@
 title: Functions
 ---
 
-As well as runes, Svelte 5 will introduces a some new functions, in addition to existing functions like `getContext`, `setContext` and `tick`. These are introduced as functions rather than runes because they are used directly and the compiler does not need to touch them to make them function as it does with runes. However, these functions may still use Svelte internals.
+As well as runes, Svelte 5 will introduces some new functions, in addition to existing functions like `getContext`, `setContext` and `tick`. These are introduced as functions rather than runes because they are used directly and the compiler does not need to touch them to make them function as it does with runes. However, these functions may still use Svelte internals.
 
 ## `untrack`