GH-127: Remove unused 'brief' field from Experience query

this close #127
The 'brief' field was no longer being utilized in the component logic or UI. Removing it helps streamline the query and reduce unnecessary data fetching. This optimizes performance and improves code maintainability.

Signed-off-by: David Ng <[email protected]>

Author: neviaumi

systems/web/src/components/who-am-i/query.graphql.ts

@@ -22,7 +22,6 @@ export default gql`
           ... on Experience {
             id
             works {
-              brief
               name
               portfolioIntro
               role