criação da tela home dos professores e aniquilação do placeholder da home dos professores

(talzes o "já tenho conta" desapareça, talvez nao, que seja oq deus quiser)

lib/features/auth/presentation/pages/role_selection_page.dart

@@ -278,28 +278,6 @@ class _RoleSelectionPageState extends State<RoleSelectionPage> {
                         ),
 
                     const SizedBox(height: 32),
-
-                    // Login link
-                    GestureDetector(
-                      onTap: _selectedRole != null ? _handleGoToLogin : null,
-                      child: Text(
-                        'Já tenho conta',
-                        style: TextStyle(
-                          color: _selectedRole != null
-                              ? AppColors.primaryBlue
-                              : Colors.grey,
-                          fontWeight: FontWeight.w500,
-                          decoration: TextDecoration.underline,
-                        ),
-                      ),
-                    )
-                        .animate()
-                        .fadeIn(
-                      duration: const Duration(milliseconds: 800),
-                      delay: const Duration(milliseconds: 1400),
-                    ),
-
-                    const SizedBox(height: 32),
                   ],
                 ),
               ),
@@ -432,4 +410,4 @@ class _RoleSelectionPageState extends State<RoleSelectionPage> {
       context.go('/signup?role=$_selectedRole');
     }
   }
-}
+}