Fix Lint/UselessAssignment cop (#27472)

spec/models/account_spec.rb

@@ -356,7 +356,7 @@ RSpec.describe Account do
     end
 
     it 'does not return suspended users' do
-      match = Fabricate(
+      Fabricate(
         :account,
         display_name: 'Display Name',
         username: 'username',
@@ -483,7 +483,7 @@ RSpec.describe Account do
       end
 
       it 'does not return non-followed accounts' do
-        match = Fabricate(
+        Fabricate(
           :account,
           display_name: 'A & l & i & c & e',
           username: 'username',
@@ -495,7 +495,7 @@ RSpec.describe Account do
       end
 
       it 'does not return suspended users' do
-        match = Fabricate(
+        Fabricate(
           :account,
           display_name: 'Display Name',
           username: 'username',
@@ -535,7 +535,7 @@ RSpec.describe Account do
     end
 
     it 'does not return suspended users' do
-      match = Fabricate(
+      Fabricate(
         :account,
         display_name: 'Display Name',
         username: 'username',

spec/models/status_spec.rb

@@ -166,7 +166,7 @@ RSpec.describe Status do
 
   describe '#replies_count' do
     it 'is the number of replies' do
-      reply = Fabricate(:status, account: bob, thread: subject)
+      Fabricate(:status, account: bob, thread: subject)
       expect(subject.replies_count).to eq 1
     end
 

spec/models/user_spec.rb

@@ -63,7 +63,7 @@ RSpec.describe User do
 
     describe 'confirmed' do
       it 'returns an array of users who are confirmed' do
-        unconfirmed_user = Fabricate(:user, confirmed_at: nil)
+        Fabricate(:user, confirmed_at: nil)
         confirmed_user = Fabricate(:user, confirmed_at: Time.zone.now)
         expect(described_class.confirmed).to contain_exactly(confirmed_user)
       end

spec/models/webauthn_credentials_spec.rb

@@ -37,7 +37,7 @@ RSpec.describe WebauthnCredential do
     end
 
     it 'is invalid if already exist a webauthn credential with the same external id' do
-      existing_webauthn_credential = Fabricate(:webauthn_credential, external_id: '_Typ0ygudDnk9YUVWLQayw')
+      Fabricate(:webauthn_credential, external_id: '_Typ0ygudDnk9YUVWLQayw')
       new_webauthn_credential = Fabricate.build(:webauthn_credential, external_id: '_Typ0ygudDnk9YUVWLQayw')
 
       new_webauthn_credential.valid?
@@ -47,7 +47,7 @@ RSpec.describe WebauthnCredential do
 
     it 'is invalid if user already registered a webauthn credential with the same nickname' do
       user = Fabricate(:user)
-      existing_webauthn_credential = Fabricate(:webauthn_credential, user_id: user.id, nickname: 'USB Key')
+      Fabricate(:webauthn_credential, user_id: user.id, nickname: 'USB Key')
       new_webauthn_credential = Fabricate.build(:webauthn_credential, user_id: user.id, nickname: 'USB Key')
 
       new_webauthn_credential.valid?