ImageGrid: remove wrong subset condition

[PrimozGodec]

Issue

ImageGrid wrongly check whether the subset matches the original data when another attribute present in mteas it does not work.

Description of changes

Temporarily removing the wrong condition. It will be replaced with the better one that really checks the subset.

Includes

• [X] Code changes
• [ ] Tests
• [ ] Documentation

[codecov[bot]]

Codecov Report

Merging #165 into master will decrease coverage by 0.02%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #165      +/-   ##
==========================================
- Coverage   61.65%   61.63%   -0.03%     
==========================================
  Files          13       13              
  Lines        3234     3232       -2     
  Branches      481      480       -1     
==========================================
- Hits         1994     1992       -2     
  Misses       1116     1116              
  Partials      124      124