Replace FOR_THREADS macro

[JCGoran]

Inspired by implementation in #3275

[azure-pipelines]

✔️ cee37af -> Azure artifacts URL

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.06%. Comparing base (baf9ea8) to head (6cc0710).
Report is 4 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3282   +/-   ##
=======================================
  Coverage   67.06%   67.06%           
=======================================
  Files         572      572           
  Lines      111073   111092   +19     
=======================================
+ Hits        74488    74508   +20     
+ Misses      36585    36584    -1     

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[sonarqubecloud]

Quality Gate passed

Issues
70 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
2.6% Duplication on New Code

See analysis details on SonarQube Cloud

[azure-pipelines]

✔️ 6cc0710 -> Azure artifacts URL

[bbpbuildbot]

Logfiles from GitLab pipeline #240257 (:no_entry:) have been uploaded here!

Status and direct links:

• ⛔ mac_m1_cmake_build: [cmake, ON, OFF, OFF, address]
• ✅ spack_setup
• ✅ build:nmodl
• ✅ build:neuron:nmodl:intel:legacy
• ✅ build:neuron:nmodl:intel:shared
• ✅ build:neuron:nmodl:nvhpc:acc:legacy
• ✅ build:neuron:nmodl:nvhpc:acc:shared
• ✅ build:neuron:nmodl:nvhpc:omp:legacy
• ✅ build:neuron:nmodl:nvhpc:omp
• ✅ test:neuron:nmodl:intel:legacy
• ✅ test:neuron:nmodl:intel:shared
• ⛔ test:neuron:nmodl:nvhpc:acc:legacy
• ⛔ test:neuron:nmodl:nvhpc:acc:shared
• ⛔ test:neuron:nmodl:nvhpc:omp:legacy
• ⛔ test:neuron:nmodl:nvhpc:omp