Remove useless respond_to calls (#13208)

app/controllers/api/v1/accounts/follower_accounts_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::Accounts::FollowerAccountsController < Api::BaseController
   before_action :set_account
   after_action :insert_pagination_headers
 
-  respond_to :json
-
   def index
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer

app/controllers/api/v1/accounts/following_accounts_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::Accounts::FollowingAccountsController < Api::BaseController
   before_action :set_account
   after_action :insert_pagination_headers
 
-  respond_to :json
-
   def index
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer

app/controllers/api/v1/accounts/identity_proofs_controller.rb

@@ -4,8 +4,6 @@ class Api::V1::Accounts::IdentityProofsController < Api::BaseController
   before_action :require_user!
   before_action :set_account
 
-  respond_to :json
-
   def index
     @proofs = @account.identity_proofs.active
     render json: @proofs, each_serializer: REST::IdentityProofSerializer

app/controllers/api/v1/accounts/lists_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::Accounts::ListsController < Api::BaseController
   before_action :require_user!
   before_action :set_account
 
-  respond_to :json
-
   def index
     @lists = @account.lists.where(account: current_account)
     render json: @lists, each_serializer: REST::ListSerializer

app/controllers/api/v1/accounts/pins_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::Accounts::PinsController < Api::BaseController
   before_action :require_user!
   before_action :set_account
 
-  respond_to :json
-
   def create
     AccountPin.create!(account: current_account, target_account: @account)
     render json: @account, serializer: REST::RelationshipSerializer, relationships: relationships_presenter

app/controllers/api/v1/accounts/relationships_controller.rb

@@ -4,8 +4,6 @@ class Api::V1::Accounts::RelationshipsController < Api::BaseController
   before_action -> { doorkeeper_authorize! :read, :'read:follows' }
   before_action :require_user!
 
-  respond_to :json
-
   def index
     accounts = Account.where(id: account_ids).select('id')
     # .where doesn't guarantee that our results are in the same order

app/controllers/api/v1/accounts/search_controller.rb

@@ -4,8 +4,6 @@ class Api::V1::Accounts::SearchController < Api::BaseController
   before_action -> { doorkeeper_authorize! :read, :'read:accounts' }
   before_action :require_user!
 
-  respond_to :json
-
   def show
     @accounts = account_search
     render json: @accounts, each_serializer: REST::AccountSerializer

app/controllers/api/v1/accounts/statuses_controller.rb

@@ -6,8 +6,6 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
 
   after_action :insert_pagination_headers, unless: -> { truthy_param?(:pinned) }
 
-  respond_to :json
-
   def index
     @statuses = load_statuses
     render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)