Remove `drop(:running..` due to query plan issues

Address backend reviewer feedback

app/workers/stuck_ci_jobs_worker.rb

@@ -23,28 +23,28 @@ class StuckCiJobsWorker # rubocop:disable Scalability/IdempotentWorker
 
     drop(
       status: :running,
-      search_condition: 'ci_builds.created_at < ? AND updated_at < ?',
-      search_condition_params: [BUILD_RUNNING_OUTDATED_TIMEOUT.ago, BUILD_RUNNING_OUTDATED_TIMEOUT.ago],
+      search_condition: 'ci_builds.updated_at < ?',
+      search_condition_params: [BUILD_RUNNING_OUTDATED_TIMEOUT.ago],
       failure_reason: :stuck_or_timeout_failure
     )
 
     drop(
       status: :pending,
-      search_condition: 'ci_builds.created_at < ? AND updated_at < ?',
+      search_condition: 'ci_builds.created_at < ? AND ci_builds.updated_at < ?',
       search_condition_params: [BUILD_PENDING_OUTDATED_TIMEOUT.ago, BUILD_PENDING_OUTDATED_TIMEOUT.ago],
       failure_reason: :stuck_or_timeout_failure
     )
 
     drop(
       status: :scheduled,
-      search_condition: 'scheduled_at IS NOT NULL AND scheduled_at < ?',
+      search_condition: 'ci_builds.scheduled_at IS NOT NULL AND ci_builds.scheduled_at < ?',
       search_condition_params: [BUILD_SCHEDULED_OUTDATED_TIMEOUT.ago],
       failure_reason: :stale_schedule
     )
 
     drop_stuck(
       status: :pending,
-      search_condition: 'ci_builds.created_at < ? AND updated_at < ?',
+      search_condition: 'ci_builds.created_at < ? AND ci_builds.updated_at < ?',
       search_condition_params: [BUILD_PENDING_STUCK_TIMEOUT.ago, BUILD_PENDING_STUCK_TIMEOUT.ago],
       failure_reason: :stuck_or_timeout_failure
     )

spec/workers/stuck_ci_jobs_worker_spec.rb

@@ -178,19 +178,9 @@ RSpec.describe StuckCiJobsWorker do
     context 'when job was updated in less than 1 hour ago' do
       let(:updated_at) { 30.minutes.ago }
 
-      context 'when created_at is the same as updated_at' do
-        let(:created_at) { 30.minutes.ago }
-
-        it_behaves_like 'job is unchanged'
-      end
-
-      context 'when created_at is before updated_at' do
-        let(:created_at) { 30.minutes.ago }
-
       it_behaves_like 'job is unchanged'
     end
   end
-  end
 
   %w(success skipped failed canceled).each do |status|
     context "when job is #{status}" do