feat(ui): remove Undo / Revert transaction actions

Removes the Undo button and Undo menu item from savings, current, fixed deposit, recurring deposit
and loan transactions, the account-transfer Undo, and the Revert Transaction button on the
journal entry transaction detail, to prevent accidental reversal of posted entries.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/app/deposits/fixed-deposits/fixed-deposit-account-view/transactions-tab/transactions-tab.component.html

@@ -130,12 +130,6 @@
                 <mat-icon><fa-icon icon="eye" size="sm"></fa-icon></mat-icon>
                 <span>{{ 'labels.text.View Transaction' | translate }}</span>
               </button>
-              @if (!isFirstTransaction(idx)) {
-                <button mat-menu-item (click)="undoTransaction(transaction)">
-                  <mat-icon><fa-icon icon="undo" size="sm"></fa-icon></mat-icon>
-                  <span>{{ 'tooltips.Undo Transaction' | translate }}</span>
-                </button>
-              }
               <button
                 mat-menu-item
                 (click)="routeEdit($event)"

src/app/deposits/fixed-deposits/fixed-deposit-account-view/view-transaction/view-transaction.component.html

@@ -6,20 +6,7 @@
   file, You can obtain one at http://mozilla.org/MPL/2.0/.
 -->
 
-<div class="container m-b-20 align-end-center gap-2percent">
-  @if (allowUndo()) {
-    <span>
-      <button
-        mat-raised-button
-        color="warn"
-        *mifosxHasPermission="'UNDOTRANSACTION_SAVINGSACCOUNT'"
-        (click)="undoTransaction()"
-      >
-        <fa-icon icon="undo" class="m-r-10"></fa-icon>Undo
-      </button>
-    </span>
-  }
-</div>
+<div class="container m-b-20 align-end-center gap-2percent"></div>
 <div class="container">
   <mat-card>
     <mat-card-content>

src/app/deposits/recurring-deposits/recurring-deposits-account-view/transactions-tab/view-transaction/view-transaction.component.html

@@ -15,14 +15,6 @@
         </button>
       }
     </span>
-    <button
-      mat-raised-button
-      color="warn"
-      *mifosxHasPermission="'UNDOTRANSACTION_SAVINGSACCOUNT'"
-      (click)="undoTransaction()"
-    >
-      <fa-icon icon="undo" class="m-r-10"></fa-icon>{{ 'labels.buttons.Undo' | translate }}
-    </button>
   </div>
 }