feat: release start with data solution (appsmithorg#29480)

## Description

This PR release start with data onaboarding solution to 50% of new
users.

#### PR fixes following issue(s)
Fixes appsmithorg#29479
#### Media
> A video or a GIF is preferred. when using Loom, don’t embed because it
looks like it’s a GIF. instead, just link to the video
>
>
#### Type of change
- New feature (non-breaking change which adds functionality)
>
>
>
## Testing
>
#### How Has This Been Tested?
> Please describe the tests that you ran to verify your changes. Also
list any relevant details for your test configuration.
> Delete anything that is not relevant
- [x] Manual
- [ ] JUnit
- [ ] Jest
- [ ] Cypress
>
>
#### Test Plan
> Add Testsmith test cases links that relate to this PR
>
>
#### Issues raised during DP testing
> Link issues raised during DP testing for better visiblity and tracking
(copy link from comments dropped on this PR)
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>
>
## Checklist:
#### Dev activity
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [x] PR is being merged under a feature flag


#### QA activity:
- [ ] [Speedbreak
features](https://github.com/appsmithorg/TestSmith/wiki/Guidelines-for-test-plans#speedbreakers-)
have been covered
- [ ] Test plan covers all impacted features and [areas of
interest](https://github.com/appsmithorg/TestSmith/wiki/Guidelines-for-test-plans#areas-of-interest-)
- [ ] Test plan has been peer reviewed by project stakeholders and other
QA members
- [ ] Manually tested functionality on DP
- [ ] We had an implementation alignment call with stakeholders post QA
Round 2
- [ ] Cypress test cases have been added and approved by SDET/manual QA
- [ ] Added `Test Plan Approved` label after Cypress tests were reviewed
- [ ] Added `Test Plan Approved` label after JUnit tests were reviewed


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **Refactor**
- Simplified the app creation process by removing unnecessary local
storage checks.
  - Streamlined analytics event logging during app creation.

- **Chores**
- Removed unused code related to local storage to enhance performance
and maintainability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Co-authored-by: “sneha122” <“[email protected]”>

app/client/src/ce/pages/Applications/CreateNewAppsOption.tsx

@@ -50,7 +50,6 @@ import styled from "styled-components";
 import AnalyticsUtil from "utils/AnalyticsUtil";
 import history from "utils/history";
 import { builderURL } from "@appsmith/RouteBuilder";
-import localStorage from "utils/localStorage";
 import { getDatasource, getPlugin } from "@appsmith/selectors/entitiesSelector";
 import type { Plugin } from "api/PluginApi";
 import { PluginPackageName, PluginType } from "entities/Action";
@@ -230,32 +229,14 @@ const CreateNewAppsOption = ({
   };
 
   const onClickStartWithData = () => {
-    const devEnabled = localStorage.getItem(
-      "ab_onboarding_flow_start_with_data_dev_only_enabled",
-    );
-    if (devEnabled) {
-      // fetch plugins information to show list of all plugins
-      AnalyticsUtil.logEvent("CREATE_APP_FROM_DATA");
-      dispatch(fetchPlugins());
-      dispatch(fetchMockDatasources());
-      if (application?.workspaceId) {
-        dispatch(fetchingEnvironmentConfigs(application?.workspaceId, true));
-      }
-      setUseType(START_WITH_TYPE.DATA);
-    } else {
-      if (application) {
-        AnalyticsUtil.logEvent("CREATE_APP_FROM_DATA", {
-          shortcut: "true",
-        });
-        dispatch(
-          firstTimeUserOnboardingInit(
-            application.id,
-            application.defaultPageId as string,
-            "datasources/NEW",
-          ),
-        );
-      }
+    AnalyticsUtil.logEvent("CREATE_APP_FROM_DATA");
+    // fetch plugins information to show list of all plugins
+    dispatch(fetchPlugins());
+    dispatch(fetchMockDatasources());
+    if (application?.workspaceId) {
+      dispatch(fetchingEnvironmentConfigs(application?.workspaceId, true));
     }
+    setUseType(START_WITH_TYPE.DATA);
   };
 
   const goBackToInitialScreen = () => {