Remove "history may be shared" banner. (#31881)

* Revert "Update algorithm for history visible banner. (#31577)"

This reverts commit ce9c66b.

* Revert "Update prop type & documentation for HistoryVisibleBanner and VM. (#31545)"

This reverts commit 4da149e.

* Revert "Prevent history visible banner from displaying in threads. (#31535)"

This reverts commit c7134e8.

* Revert "Implement UI for history visibility acknowledgement. (#31156)"

This reverts commit cff9119.

Author: kaylendog

packages/shared-components/src/composer/HistoryVisibleBannerView/HistoryVisibleBannerView.stories.tsx

@@ -32,7 +32,6 @@
             "exceeded_resource_limit_description": "Please contact your service administrator to continue using the service.",
             "exceeded_resource_limit_title": "Your message wasn't sent because this homeserver has exceeded a resource limit.",
             "failed_to_create_room_title": "Could not start a chat with this user",
-            "history_visible": "This room has been configured so that new members can read history. <a>Learn More</a>",
             "homeserver_blocked_title": "Your message wasn't sent because this homeserver has been blocked by its administrator.",
             "monthly_user_limit_reached_title": "Your message wasn't sent because this homeserver has hit its Monthly Active User Limit.",
             "requires_consent_agreement_title": "You can't send any messages until you review and agree to our terms and conditions.",

packages/shared-components/src/composer/HistoryVisibleBannerView/HistoryVisibleBannerView.test.tsx

@@ -12,7 +12,6 @@ export * from "./audio/PlayPauseButton";
 export * from "./audio/SeekBar";
 export * from "./avatar/AvatarWithDetails";
 export * from "./composer/Banner";
-export * from "./composer/HistoryVisibleBannerView";
 export * from "./event-tiles/TextualEventView";
 export * from "./message-body/MediaBody";
 export * from "./pill-input/Pill";

packages/shared-components/src/composer/HistoryVisibleBannerView/HistoryVisibleBannerView.tsx

@@ -54,7 +54,6 @@ import { type MatrixClientProps, withMatrixClientHOC } from "../../../contexts/M
 import { UIFeature } from "../../../settings/UIFeature";
 import { formatTimeLeft } from "../../../DateUtils";
 import RoomReplacedSvg from "../../../../res/img/room_replaced.svg";
-import { HistoryVisibleBanner } from "../composer/HistoryVisibleBanner";
 
 // The prefix used when persisting editor drafts to localstorage.
 export const WYSIWYG_EDITOR_STATE_STORAGE_PREFIX = "mx_wysiwyg_state_";
@@ -675,11 +674,6 @@ export class MessageComposer extends React.Component<IProps, IState> {
 
         return (
             <div className={classes} ref={this.ref} role="region" aria-label={_t("a11y|message_composer")}>
-                <HistoryVisibleBanner
-                    room={this.props.room}
-                    canSendMessages={canSendMessages}
-                    threadId={threadId ?? null}
-                />
                 <div className="mx_MessageComposer_wrapper">
                     <UserIdentityWarning room={this.props.room} key={this.props.room.roomId} />
                     <ReplyPreview