Merge branch 'strip-cost-budget-h1-to-match-rep-budget' into 'pregmod-master'

Strip cost budget H1

See merge request !10160

src/budget/costsBudget.js

@@ -5,7 +5,6 @@
 App.Budget.costs = function() {
 	const f = new DocumentFragment();
 
-	App.UI.DOM.appendNewElement("h1", f, "Costs Budget");
 	f.append(intro());
 	if (V.difficultySwitch === 1) {
 		f.append(economy());