Remove --threads=auto to respect JULIA_NUM_THREADS

Author: rkierulf

.buildkite/runbenchmarks.yml

@@ -18,7 +18,7 @@ steps:
               PackageSpec(path=pwd(), subdir="KomaMRICore"),
           ])'
       
-      julia --project=bench --threads=auto -e 'println("--- :julia: Run Benchmarks")
+      julia --project=bench -e 'println("--- :julia: Run Benchmarks")
           include("bench/runbenchmarks.jl")'
     artifact_paths: 
       - "bench/results/*"