fix: Minor bugs in default config due to missing feature flags

[HamzaIsrar12]

Description

LEARNER-9732

Resolve the following issues in this PR:

• Fix the API version problem on the register screen
• Manage the "My Courses" screen title when programs are absent
• Address the functionality of the "View all dates" button on sync dates when the dates tab is absent
• Remove unused code from the config

[codecov]

Codecov Report

Attention: 21 lines in your changes are missing coverage. Please review.

Comparison is base (0749897) 1.07% compared to head (ee4f6ff) 1.07%.

Files	Patch %	Lines
...src/main/java/org/edx/mobile/view/LearnFragment.kt	0.00%	14 Missing ⚠️
...bile/src/main/java/org/edx/mobile/util/Config.java	0.00%	4 Missing ⚠️
...org/edx/mobile/view/CourseTabsDashboardFragment.kt	0.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##             master   #1842   +/-   ##
========================================
  Coverage      1.07%   1.07%           
  Complexity      137     137           
========================================
  Files           538     538           
  Lines         26314   26312    -2     
  Branches       3391    3390    -1     
========================================
  Hits            284     284           
+ Misses        26003   26001    -2     
  Partials         27      27           

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[omerhabib26]

Only a minor nit else LGTM 👍