chore: Disable trigger maps on Bitrise (#29764)

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## **Description**

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Since we're using GH actions fo builds, we can disable the auto
triggered builds on Bitrise.

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CHANGELOG entry:

## **Related issues**

Fixes:

## **Manual testing steps**

```gherkin
Feature: my feature name

  Scenario: user [verb for user action]
    Given [describe expected initial app state]

    When user [verb for user action]
    Then [describe expected outcome]
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## **Screenshots/Recordings**

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- [ ] I've followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask Mobile
Coding
Standards](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/CODING_GUIDELINES.md).
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Not required for external contributors.

#### Performance checks (if applicable)

- [ ] I've tested on Android
  - Ideally on a mid-range device; emulator is acceptable
- [ ] I've tested with a power user scenario
- Use these [power-user
SRPs](https://consensyssoftware.atlassian.net/wiki/spaces/TL1/pages/edit-v2/401401446401?draftShareId=9d77e1e1-4bdc-4be1-9ebb-ccd916988d93)
to import wallets with many accounts and tokens
- [ ] I've instrumented key operations with Sentry traces for production
performance metrics
- See [`trace()`](/app/util/trace.ts) for usage and
[`addToken`](/app/components/Views/AddAsset/components/AddCustomToken/AddCustomToken.tsx#L274)
for an example

For performance guidelines and tooling, see the [Performance
Guide](https://consensyssoftware.atlassian.net/wiki/spaces/TL1/pages/400085549067/Performance+Guide+for+Engineers).

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<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> **Medium Risk**
> Moderate risk because it changes CI trigger behavior: Bitrise will no
longer auto-run Expo dev builds on `main` or create QA builds on
`qa-*`/`v*.*.*` tags, which could impact expected build artifacts and
release workflows.
> 
> **Overview**
> Disables Bitrise auto-triggered Expo/QA builds by commenting out
`trigger_map` entries for `main` (`expo_dev_pipeline`) and tag-based QA
build generation (`qa-*` and `v*.*.*` -> `create_qa_builds_pipeline`).
> 
> Pipelines remain defined, but they will no longer run automatically
from those git events.
> 
> <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit
09ca051. Bugbot is set up for automated
code reviews on this repo. Configure
[here](https://www.cursor.com/dashboard/bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: Cal-L

bitrise.yml

@@ -3597,9 +3597,9 @@ trigger_map:
   # Disable auto RC generation
   # - push_branch: release/*
   #   pipeline: pr_rc_rwy_pipeline
-  - push_branch: main
-    pipeline: expo_dev_pipeline
-  - tag: 'qa-*'
-    pipeline: create_qa_builds_pipeline
-  - tag: 'v*.*.*'
-    pipeline: create_qa_builds_pipeline
+  # - push_branch: main
+  #   pipeline: expo_dev_pipeline
+  # - tag: 'qa-*'
+  #   pipeline: create_qa_builds_pipeline
+  # - tag: 'v*.*.*'
+  #   pipeline: create_qa_builds_pipeline