Remove extra inline keywords

.clang-format

include/Cache.h

include/EmojiCategory.h

include/Login.h

include/MatrixClient.h

include/Profile.h

include/Register.h

include/RoomInfoListItem.h

include/RoomMessages.h

include/RoomState.h

include/Sync.h

include/TextInputWidget.h

include/TimelineItem.h

include/TimelineView.h

include/TopRoomBar.h

include/events/AliasesEventContent.h

include/events/AvatarEventContent.h

include/events/CanonicalAliasEventContent.h

include/events/CreateEventContent.h

include/events/Event.h