Remove --ractor-only

The way to run Ractor benchmarks is using

--category=ractor # All ractor benchmarks
--category=ractor-only # Only custom ractor benchmarks in
benchmarks-ractor

Author: eightbitraptor

.github/workflows/test.yml

@@ -37,8 +37,16 @@ jobs:
           MIN_BENCH_TIME: '0'
         continue-on-error: ${{ matrix.continue-on-error || false }}
 
-      - name: Test run_benchmarks.rb --ractor-only
-        run: ./run_benchmarks.rb --ractor-only
+      - name: Test run_benchmarks.rb - Ractors
+        run: ./run_benchmarks.rb --category=ractor
+        env:
+          WARMUP_ITRS: '1'
+          MIN_BENCH_ITRS: '1'
+          MIN_BENCH_TIME: '0'
+        continue-on-error: ${{ matrix.continue-on-error || false }}
+
+      - name: Test run_benchmarks.rb - Ractor Only
+        run: ./run_benchmarks.rb --category=ractor-only
         env:
           WARMUP_ITRS: '1'
           MIN_BENCH_ITRS: '1'

run_benchmarks.rb

@@ -425,10 +425,6 @@ def run_benchmarks(ruby:, ruby_description:, categories:, name_filters:, out_pat
     args.categories += ["headline"]
   end
 
-  opts.on("--ractor-only", "ractor-only benchmarks (benchmarks/ractor/*.rb) will be run") do
-    args.categories = ["ractor-only"]
-  end
-
   opts.on("--name_filters=x,y,z", Array, "when given, only benchmarks with names that contain one of these strings will run") do |list|
     args.name_filters = list
   end