Build/Test Tools: Remove unused legacy globals from JSHint config for QUnit.

Follow-up to [47512].

Props TimoTijhof.
Fixes #51312. See #37117.

git-svn-id: https://develop.svn.wordpress.org/trunk@48977 602fd350-edb4-49c9-b593-d223f7449a82

tests/qunit/.jshintrc

@@ -1,21 +1,5 @@
 {
 	"globals": {
-		"asyncTest"      : false,
-		"deepEqual"      : false,
-		"equal"          : false,
-		"expect"         : false,
-		"module"         : false,
-		"notDeepEqual"   : false,
-		"notEqual"       : false,
-		"notStrictEqual" : false,
-		"ok"             : false,
-		"QUnit"          : false,
-		"raises"         : false,
-		"start"          : false,
-		"stop"           : false,
-		"strictEqual"    : false,
-		"test"           : false,
-
 		"_"              : false,
 		"jQuery"         : false
 	}