Revert "Use LabelsAndGenerationPredicate for ToolchainClusterCache co…

[rajivnathan]

…ntroller (#437)"

This reverts commit 463b623.

It breaks the cluster status checks. See the discussion https://redhat-internal.slack.com/archives/C06MJ2DVBU4/p1733903646722119?thread_ts=1733844483.420089&cid=C06MJ2DVBU4

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 78.23%. Comparing base (a6a8525) to head (6d16802).
Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
...nclustercache/toolchaincluster_cache_controller.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #438   +/-   ##
=======================================
  Coverage   78.23%   78.23%           
=======================================
  Files          49       49           
  Lines        2444     2444           
=======================================
  Hits         1912     1912           
  Misses        478      478           
  Partials       54       54           

Files with missing lines	Coverage Δ
...nclustercache/toolchaincluster_cache_controller.go	48.14% <0.00%> (ø)