Clean up lint errors in Thoughts

Removed unused imports, variables and functions from Thoughts source files

examples/thoughts/ext/MainPage.js

@@ -9,7 +9,6 @@ import TopNavbar from './TopNavbar.js'
 import { getTagColor } from './tag.js'
 
 import createThought from '@wasp/actions/createThought'
-import { useQuery } from '@wasp/queries'
 
 // TODO:
 //   - Rename this file to Thought.js.
@@ -62,10 +61,6 @@ const Thought = (props) => {
     setInPreviewMode(defaultInPreviewMode)
   }
 
-  const togglePreviewMode = () => {
-    setInPreviewMode(!inPreviewMode)
-  }
-
   const setNewTagNameIfValid = (tagName) => {
     if (!tagName || /^[a-z](\.?[a-z0-9])*\.?$/.test(tagName)) {
       setNewTagName(tagName)

examples/thoughts/ext/TagsSidebar.js

@@ -9,7 +9,7 @@ import { useQuery } from '@wasp/queries'
 
 // Props: active  TODO: document this properly.
 const TagsSidebar = (props) => {
-  const { data: tags, isFetching, error } = useQuery(getTags)
+  const { data: tags } = useQuery(getTags)
 
   return (
     <div className="tags-sidebar">

examples/thoughts/ext/ThoughtsPage.js

@@ -1,6 +1,6 @@
 import React from 'react'
 import ReactMarkdown from 'react-markdown'
-import { Link, useLocation } from 'react-router-dom'
+import { useLocation } from 'react-router-dom'
 
 import './Main.css'
 import './ThoughtsPage.css'
@@ -11,13 +11,12 @@ import TopNavbar from './TopNavbar.js'
 import getThoughts from '@wasp/queries/getThoughts'
 import { useQuery } from '@wasp/queries'
 
-
 const ThoughtsPage = (props) => {
   const queryParams = new URLSearchParams(useLocation().search)
   const tag = queryParams.get('tag')
 
   // TODO: Handle possible errors and fetching.
-  const { data: thoughts, isFetching, error } = useQuery(getThoughts, { tagName: tag })
+  const { data: thoughts } = useQuery(getThoughts, { tagName: tag })
 
   // TODO: Duplication! layout, navbar, sidebar, ...
   return (