[DOCS] Drop use of "Complex Data" in favor of multimodal

[samster25]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4caeed4) 85.50% compared to head (1cf5492) 85.55%.

❗ Current head 1cf5492 differs from pull request most recent head fc6dfb7. Consider uploading reports for the commit fc6dfb7 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1875      +/-   ##
==========================================
+ Coverage   85.50%   85.55%   +0.04%     
==========================================
  Files          55       55              
  Lines        6194     6194              
==========================================
+ Hits         5296     5299       +3     
+ Misses        898      895       -3     

see 2 files with indirect coverage changes