Updated workshop files

Author: mattpocock

src/018-unions-and-narrowing/workshop.md

@@ -78,7 +78,7 @@ Change the type definitions of `throwError` to make the type error inside `handl
 
 ### 071 - Narrowing in Different Scopes
 
-Change the code inside `findUsersByName` so that the type error goes away.
+Change the code inside `findUsersByName` so that the type error goes away. Don't change the definition of `searchParams`.
 
 Also - why is the type error happening in the first place?
 

src/020-objects/workshop.md

@@ -49,7 +49,3 @@ https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys
 We want to be able to pass a partial `Product` object to `updateProduct`. See if you can redefine the definition of `productInfo` to make the errors go away.
 
 https://www.typescriptlang.org/docs/handbook/utility-types.html#partialtype
-
-### 096.5 - Common Keys of Unions of Objects
-
-Find the correct definition for `entity` in the `getAvatarImage` function. We should be able to pass either a User, Product or Organisation to the function.