removing extraneous brackets from quiz

3-terrarium/3-intro-to-DOM-and-closures/.github/post-lecture-quiz.md

@@ -1,18 +1,18 @@
 *Complete this quiz after the lesson by checking one answer per question.*
 
-1. [The DOM is a model to represent a document on the web]
+1. The DOM is a model to represent a document on the web
 
-- [ ] [true]
-- [ ] [false]
+- [ ] true
+- [ ] false
 
-2. [Use JavaScript closures to perform the following:]
+2. Use JavaScript closures to perform the following:
 
-- [ ] [write functions within functions]
-- [ ] [enclose the DOM]
-- [ ] [close script blocks]
+- [ ] write functions within functions
+- [ ] enclose the DOM
+- [ ] close script blocks
 
-3. [Fill in the blank: Closures are useful when one or more functions need to access an outer function's ______]
+3. Fill in the blank: Closures are useful when one or more functions need to access an outer function's...
 
-- [ ] [arrays]
-- [ ] [scope]
-- [ ] [functions]
+- [ ] arrays
+- [ ] scope
+- [ ] functions