chore: Refactor style guide to use consistent language (#7139)

STYLE_GUIDE.md

@@ -1,9 +1,7 @@
 ## Style Guide
 
 - Try to keep things in one function unless composable or reusable
-- DO NOT do unnecessary destructuring of variables
-- DO NOT use `else` statements unless necessary
-- DO NOT use `try`/`catch` if it can be avoided
+- AVOID unnecessary destructuring of variables
 - AVOID `try`/`catch` where possible
 - AVOID `else` statements
 - AVOID using `any` type