[MIRROR] Fixes the contractor program being on the syndicate store [MDB IGNORE] (#26086)

* Fixes the contractor program being on the syndicate store (#80888)

## About The Pull Request
Syndicate contractor program can no longer be bought from an emagged
computer.

## Why It's Good For The Game
This is most definitely a bug.
The pull request that introduced this bug can be found at #80069
Description or the changelog does not mention that the contractor
program can now be downloaded when a computer is emagged.

Image below shows that the contractor program was not meant to be
downloadable from the syndie store or ntnet.

![image](https://github.com/tgstation/tgstation/assets/37270891/46c4ce1d-85ad-4d06-bc89-420a6e850cd6)

## Changelog
🆑
fix: Fixed being able to download the contractor program on the syndie
store.
/🆑

Co-authored-by: Watermelon914 <3052169-Watermelon914@ users.noreply.gitlab.com>

* Fixes the contractor program being on the syndicate store

---------

Co-authored-by: Watermelon914 <37270891+Watermelon914@users.noreply.github.com>
Co-authored-by: Watermelon914 <3052169-Watermelon914@ users.noreply.gitlab.com>

code/modules/modular_computers/file_system/programs/antagonist/contractor_program.dm

@@ -6,7 +6,7 @@
 	program_icon = "tasks"
 	size = 10
 
-	program_flags = PROGRAM_ON_SYNDINET_STORE | PROGRAM_UNIQUE_COPY
+	program_flags = PROGRAM_UNIQUE_COPY
 	can_run_on_flags = PROGRAM_PDA //this is all we've got sprites for :sob:
 	undeletable = TRUE
 	tgui_id = "SyndicateContractor"