LYNX-232: Optimizations generateCustomerToken

- remove unit test as there is an integration that test same scenario

Author: eliseacornejo

app/code/Magento/Customer/Test/Unit/Model/AccountManagementTest.php

@@ -2072,67 +2072,6 @@ public function testChangePasswordException(): void
         $this->accountManagement->changePassword($email, $currentPassword, $newPassword);
     }
 
-    /**
-     * @return void
-     * @throws LocalizedException
-     */
-    public function testAuthenticate(): void
-    {
-        $username = 'login';
-        $password = '1234567';
-        $passwordHash = '1a2b3f4c';
-
-        $customerData = $this->getMockBuilder(Customer::class)
-            ->disableOriginalConstructor()
-            ->getMock();
-
-        $customerModel = $this->getMockBuilder(\Magento\Customer\Model\Customer::class)
-            ->disableOriginalConstructor()
-            ->getMock();
-        $customerModel->expects($this->once())
-            ->method('updateData')
-            ->willReturn($customerModel);
-
-        $this->customerRepository
-            ->expects($this->once())
-            ->method('get')
-            ->with($username)
-            ->willReturn($customerData);
-
-        $this->authenticationMock->expects($this->once())
-            ->method('authenticate');
-
-        $customerSecure = $this->getMockBuilder(CustomerSecure::class)
-            ->addMethods(['getPasswordHash'])
-            ->disableOriginalConstructor()
-            ->getMock();
-        $customerSecure->expects($this->any())
-            ->method('getPasswordHash')
-            ->willReturn($passwordHash);
-
-        $this->customerRegistry->expects($this->any())
-            ->method('retrieveSecureData')
-            ->willReturn($customerSecure);
-
-        $this->customerFactory->expects($this->once())
-            ->method('create')
-            ->willReturn($customerModel);
-
-        $this->manager->expects($this->exactly(2))
-            ->method('dispatch')
-            ->withConsecutive(
-                [
-                    'customer_customer_authenticated',
-                    ['model' => $customerModel, 'password' => $password]
-                ],
-                [
-                    'customer_data_object_login', ['customer' => $customerData]
-                ]
-            );
-
-        $this->assertEquals($customerData, $this->accountManagement->authenticate($username, $password));
-    }
-
     /**
      * @param int $isConfirmationRequired
      * @param string|null $confirmation