fix(clients): remove leftover unresolved git conflict markers on Last Name field

An unresolved git stash conflict had been committed as-is, leaving
literal <<<<<<< Updated upstream / ======= / >>>>>>> Stashed changes
markers inside the template. Angular rendered them as plain text right
in the create-client form. Kept the blur-triggered capitalizeControl()
version (matches First/Middle Name) and dropped the now-unused
formatName() left behind by the other side of the conflict.

src/app/clients/client-stepper/client-general-step/client-general-step.component.html

@@ -263,7 +263,6 @@
             <mat-form-field appearance="outline" class="name-field last-name">
               <mat-label>{{ 'labels.inputs.Last Name' | translate }}</mat-label>
               <span matPrefix class="field-prefix-icon"><mat-icon>person</mat-icon></span>
-              <<<<<<< Updated upstream
               <input
                 matInput
                 required
@@ -272,9 +271,6 @@
                 (blur)="capitalizeControl('lastname')"
                 style="text-transform: capitalize"
               />
-              =======
-              <input matInput required formControlName="lastname" autocomplete="off" (input)="formatName('lastname')" />
-              >>>>>>> Stashed changes
               @if (createClientForm.controls.lastname.hasError('required')) {
                 <mat-error>Last name is <strong>required</strong></mat-error>
               } @else if (createClientForm.controls.lastname.hasError('pattern')) {