installer: remove appsec.helper_launch; fix descs

[cataphract]

Description

Reviewer checklist

• [ ] Test coverage seems ok.
• [ ] Appropriate labels assigned.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 80.58%. Comparing base (4b2f6db) to head (bc59d20).

Additional details and impacted files

[](https://app.codecov.io/gh/DataDog/dd-trace-php/pull/2808?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DataDog) ```diff @@ Coverage Diff @@ ## master #2808 +/- ## ============================================ - Coverage 81.11% 80.58% -0.54% Complexity 2516 2516 ============================================ Files 146 146 Lines 14647 14647 ============================================ - Hits 11881 11803 -78 - Misses 2766 2844 +78 ``` | [Flag](https://app.codecov.io/gh/DataDog/dd-trace-php/pull/2808/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DataDog) | Coverage Δ | | |---|---|---| | [tracer-extension](https://app.codecov.io/gh/DataDog/dd-trace-php/pull/2808/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DataDog) | `78.19% <ø> (ø)` | | | [tracer-php](https://app.codecov.io/gh/DataDog/dd-trace-php/pull/2808/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DataDog) | `81.58% <ø> (-0.76%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DataDog#carryforward-flags-in-the-pull-request-comment) to find out more. [see 3 files with indirect coverage changes](https://app.codecov.io/gh/DataDog/dd-trace-php/pull/2808/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DataDog) ------ [Continue to review full report in Codecov by Sentry](https://app.codecov.io/gh/DataDog/dd-trace-php/pull/2808?dropdown=coverage&src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DataDog). > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DataDog) > `Δ = absolute (impact)`, `ø = not affected`, `? = missing data` > Powered by [Codecov](https://app.codecov.io/gh/DataDog/dd-trace-php/pull/2808?dropdown=coverage&src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DataDog). Last update [4b2f6db...bc59d20](https://app.codecov.io/gh/DataDog/dd-trace-php/pull/2808?dropdown=coverage&src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DataDog). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DataDog).