[MM-52969] Revert "MM-51482_Create Apps Category and link to bots DM (#22918)" (#23647)

* Revert "MM-51482_Create Apps Category and link to bots DM (#22918)"

This reverts commit 1051925eec.

* Revert "MM-51711_Feature flag: APPS sidebar category (#22766)"

This reverts commit 9156205178.

server/channels/store/store.go

@@ -198,7 +198,6 @@ type ChannelStore interface {
 	GetChannels(teamID, userID string, opts *model.ChannelSearchOpts) (model.ChannelList, error)
 	GetChannelsWithCursor(teamId string, userId string, opts *model.ChannelSearchOpts, afterChannelID string) (model.ChannelList, error)
 	GetChannelsByUser(userID string, includeDeleted bool, lastDeleteAt, pageSize int, fromChannelID string) (model.ChannelList, error)
-	GetBotChannelsByUser(userID string, opts ChannelSearchOpts) (model.ChannelList, error)
 	GetAllChannelMembersById(id string) ([]string, error)
 	GetAllChannels(page, perPage int, opts ChannelSearchOpts) (model.ChannelListWithTeamData, error)
 	GetAllChannelsCount(opts ChannelSearchOpts) (int64, error)
@@ -273,13 +272,13 @@ type ChannelStore interface {
 	ResetAllChannelSchemes() error
 	ClearAllCustomRoleAssignments() error
 	CreateInitialSidebarCategories(userID string, opts *SidebarCategorySearchOpts) (*model.OrderedSidebarCategories, error)
-	GetSidebarCategoriesForTeamForUser(userID, teamID string, options ...*SidebarCategorySearchOpts) (*model.OrderedSidebarCategories, error)
+	GetSidebarCategoriesForTeamForUser(userID, teamID string) (*model.OrderedSidebarCategories, error)
 	GetSidebarCategories(userID string, opts *SidebarCategorySearchOpts) (*model.OrderedSidebarCategories, error)
-	GetSidebarCategory(categoryID string, options ...*SidebarCategorySearchOpts) (*model.SidebarCategoryWithChannels, error)
+	GetSidebarCategory(categoryID string) (*model.SidebarCategoryWithChannels, error)
 	GetSidebarCategoryOrder(userID, teamID string) ([]string, error)
-	CreateSidebarCategory(userID, teamID string, newCategory *model.SidebarCategoryWithChannels, options ...*SidebarCategorySearchOpts) (*model.SidebarCategoryWithChannels, error)
+	CreateSidebarCategory(userID, teamID string, newCategory *model.SidebarCategoryWithChannels) (*model.SidebarCategoryWithChannels, error)
 	UpdateSidebarCategoryOrder(userID, teamID string, categoryOrder []string) error
-	UpdateSidebarCategories(userID, teamID string, categories []*model.SidebarCategoryWithChannels, options ...*SidebarCategorySearchOpts) ([]*model.SidebarCategoryWithChannels, []*model.SidebarCategoryWithChannels, error)
+	UpdateSidebarCategories(userID, teamID string, categories []*model.SidebarCategoryWithChannels) ([]*model.SidebarCategoryWithChannels, []*model.SidebarCategoryWithChannels, error)
 	UpdateSidebarChannelsByPreferences(preferences model.Preferences) error
 	DeleteSidebarChannelsByPreferences(preferences model.Preferences) error
 	DeleteSidebarCategory(categoryID string) error
@@ -1103,9 +1102,8 @@ type PostReminderMetadata struct {
 // SidebarCategorySearchOpts contains the options for a graphQL query
 // to get the sidebar categories.
 type SidebarCategorySearchOpts struct {
-	TeamID              string
-	ExcludeTeam         bool
-	AppsCategoryEnabled bool
+	TeamID      string
+	ExcludeTeam bool
 }
 
 // Ensure store service adapter implements `product.StoreService`