refactor(planning): remove the original decision trace

src/app/components/user-input/user-input.scss

@@ -239,33 +239,13 @@ form {
 	}
 }
 
-.remaining-balances,
-.remaining-history {
+.remaining-balances {
 	display: grid;
 	gap: 1rem;
 	margin: 0.5rem 0;
 	padding-inline-start: 1.25rem;
 }
 
-.remaining-day-detail summary {
-	min-height: 2.75rem;
-	align-content: center;
-	cursor: pointer;
-	text-decoration: underline;
-	text-underline-offset: 0.25em;
-}
-
-.decisive {
-	font-weight: 700;
-}
-
-.history-pagination {
-	display: flex;
-	flex-wrap: wrap;
-	align-items: center;
-	gap: 0.5rem;
-}
-
 :host {
 	display: block;
 	container: user-input / inline-size;