Renamed Balance/Rebalance to Balance, and removes unused rebalance tag (#68485)

.github/gbp.toml

@@ -5,7 +5,7 @@ reset_label = "GBP: Reset"
 "Accessibility" = 3
 "Administration" = 2
 "Atomic" = 2
-"Balance/Rebalance" = -5
+"Balance" = -5
 "Code Improvement" = 2
 "Documentation" = 1
 "Feature" = -6

tools/WebhookProcessor/github_webhook_processor.php

@@ -763,9 +763,8 @@ function checkchangelog($payload, $compile = true) {
 				}
 				break;
 			case 'balance':
-			case 'rebalance':
 				if($item != 'rebalanced something'){
-					$tags[] = 'Balance/Rebalance';
+					$tags[] = 'Balance';
 					$currentchangelogblock[] = array('type' => 'balance', 'body' => $item);
 				}
 				break;