Dead code

Nowadays it rarely needs to be done. If so, it can be adjusted by mutant
configuration. Support for MUTANT_JOBS has been removed some time ago,
then re-apperated because this mess was not removed along.

Author: mostlyobvious

.github/workflows/minitest-ruby_event_store.yml

@@ -50,7 +50,6 @@ jobs:
       WORKING_DIRECTORY: contrib/minitest-ruby_event_store
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
       DATABASE_URL: ${{ matrix.database }}
-      MUTANT_JOBS: 1
     strategy:
       fail-fast: false
       matrix:

.github/workflows/minitest-ruby_event_store_coverage.yml

@@ -24,7 +24,6 @@ jobs:
       WORKING_DIRECTORY: contrib/minitest-ruby_event_store
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
       DATABASE_URL: ${{ matrix.database }}
-      MUTANT_JOBS: 1
     strategy:
       fail-fast: false
       matrix:

.github/workflows/ruby_event_store-newrelic.yml

@@ -50,7 +50,6 @@ jobs:
       WORKING_DIRECTORY: contrib/ruby_event_store-newrelic
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
       DATABASE_URL: ${{ matrix.database }}
-      MUTANT_JOBS: 1
     strategy:
       fail-fast: false
       matrix:

.github/workflows/ruby_event_store-newrelic_coverage.yml

@@ -24,7 +24,6 @@ jobs:
       WORKING_DIRECTORY: contrib/ruby_event_store-newrelic
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
       DATABASE_URL: ${{ matrix.database }}
-      MUTANT_JOBS: 1
     strategy:
       fail-fast: false
       matrix:

.github/workflows/ruby_event_store-outbox.yml

@@ -107,7 +107,6 @@ jobs:
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
       DATABASE_URL: ${{ matrix.database }}
       REDIS_URL: redis://localhost:6379/0
-      MUTANT_JOBS: 1
     services:
       redis:
         image: redis:6

.github/workflows/ruby_event_store-profiler.yml

@@ -50,7 +50,6 @@ jobs:
       WORKING_DIRECTORY: contrib/ruby_event_store-profiler
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
       DATABASE_URL: ${{ matrix.database }}
-      MUTANT_JOBS: 1
     strategy:
       fail-fast: false
       matrix:

.github/workflows/ruby_event_store-profiler_coverage.yml

@@ -24,7 +24,6 @@ jobs:
       WORKING_DIRECTORY: contrib/ruby_event_store-profiler
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
       DATABASE_URL: ${{ matrix.database }}
-      MUTANT_JOBS: 1
     strategy:
       fail-fast: false
       matrix:

.github/workflows/ruby_event_store-protobuf.yml

@@ -65,7 +65,6 @@ jobs:
       WORKING_DIRECTORY: contrib/ruby_event_store-protobuf
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
       DATABASE_URL: ${{ matrix.database }}
-      MUTANT_JOBS: 1
     strategy:
       fail-fast: false
       matrix:

.github/workflows/ruby_event_store-protobuf_coverage.yml

@@ -24,7 +24,6 @@ jobs:
       WORKING_DIRECTORY: contrib/ruby_event_store-protobuf
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
       DATABASE_URL: ${{ matrix.database }}
-      MUTANT_JOBS: 1
     strategy:
       fail-fast: false
       matrix:

.github/workflows/ruby_event_store-transformations.yml

@@ -50,7 +50,6 @@ jobs:
       WORKING_DIRECTORY: contrib/ruby_event_store-transformations
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
       DATABASE_URL: ${{ matrix.database }}
-      MUTANT_JOBS: 1
     strategy:
       fail-fast: false
       matrix: