PM-24240: Remove email verification feature flag (#5605)

core/src/main/kotlin/com/bitwarden/core/data/manager/model/FlagKey.kt

@@ -30,7 +30,6 @@ sealed class FlagKey<out T : Any> {
          */
         val activePasswordManagerFlags: List<FlagKey<*>> by lazy {
             listOf(
-                EmailVerification,
                 CredentialExchangeProtocolImport,
                 CredentialExchangeProtocolExport,
                 RestrictCipherItemDeletion,
@@ -40,14 +39,6 @@ sealed class FlagKey<out T : Any> {
         }
     }
 
-    /**
-     * Data object holding the key for Email Verification feature.
-     */
-    data object EmailVerification : FlagKey<Boolean>() {
-        override val keyName: String = "email-verification"
-        override val defaultValue: Boolean = false
-    }
-
     /**
      * Data object holding hte feature flag key for the Credential Exchange Protocol (CXP) import
      * feature.

core/src/test/kotlin/com/bitwarden/core/data/manager/model/FlagKeyTest.kt

@@ -8,10 +8,6 @@ class FlagKeyTest {
 
     @Test
     fun `Feature flags have the correct key name set`() {
-        assertEquals(
-            FlagKey.EmailVerification.keyName,
-            "email-verification",
-        )
         assertEquals(
             FlagKey.CredentialExchangeProtocolImport.keyName,
             "cxp-import-mobile",
@@ -46,7 +42,6 @@ class FlagKeyTest {
     fun `All feature flags have the correct default value set`() {
         assertTrue(
             listOf(
-                FlagKey.EmailVerification,
                 FlagKey.CredentialExchangeProtocolImport,
                 FlagKey.CredentialExchangeProtocolExport,
                 FlagKey.CipherKeyEncryption,