fix: Make sure code does not incorporate code from unmerged PR

There was some Javascript snippet that belonged to the previous PR I sent,
which has not been accepted yet.

Fixes: nothing

src/app/accounting/chart-of-accounts/gl-account-tree.service.ts

@@ -59,10 +59,6 @@ export class GlAccountTreeService {
       new GLAccountNode(this.translateService.instant('labels.inputs.accounting.LIABILITY'))
     );
 
-    if(glAccountData.length === 0) {
-      return glAccountTree;
-    }
-
     // Sort by parent id (so that child nodes can be added properly)
     if (!glAccountData[0].parentId) {
       glAccountData[0].parentId = 0;