Remove unused 'dangerous' path

Some agents used to be flagged as dangerous and required additional
confirmation during workflow import. No such agents exist therefore
functionality is removed.

Author: Vidas P

app/importers/workflow_import.rb

@@ -7,7 +7,6 @@ class WorkflowImport
   include ActiveModel::Callbacks
   include ActiveModel::Validations::Callbacks
 
-  DANGEROUS_AGENT_TYPES = %w[Agents::ShellCommandAgent].freeze
   URL_REGEX = %r{/\Ahttps?:\/\//i}.freeze
 
   attr_accessor :file, :data, :do_import, :merges
@@ -36,10 +35,6 @@ def existing_workflow
     @existing_workflow ||= user.workflows.find_by(guid: parsed_data['guid'])
   end
 
-  def dangerous?
-    (parsed_data['agents'] || []).any? { |agent| DANGEROUS_AGENT_TYPES.include?(agent['type']) }
-  end
-
   def parsed_data
     @parsed_data ||= (data && JSON.parse(data) rescue {}) || {}
   end

app/views/workflow_imports/_step_two.html.erb

@@ -1,14 +1,5 @@
 <div class="row">
   <div class="col-md-12">
-    <% if @workflow_import.dangerous? %>
-      <div class="alert alert-danger">
-        <%= icon_tag('fa-exclamation-triangle') %>
-        This Workflow contains one or more potentially dangerous Agents.
-        These may be able to run local commands or execute code.
-        Please be sure that you understand the Agent configurations before importing!
-      </div>
-    <% end %>
-
     <% if @workflow_import.existing_workflow.present? %>
       <div class="alert alert-warning">
         <%= icon_tag('fa-exclamation-triangle') %>

spec/importers/workflow_import_spec.rb

@@ -137,17 +137,6 @@
     end
   end
 
-  describe '#dangerous?' do
-    it 'returns false on most Agents' do
-      expect(WorkflowImport.new(data: valid_data)).not_to be_dangerous
-    end
-
-    it 'returns true if a ShellCommandAgent is present' do
-      valid_parsed_data[:agents][0][:type] = 'Agents::ShellCommandAgent'
-      expect(WorkflowImport.new(data: valid_parsed_data.to_json)).to be_dangerous
-    end
-  end
-
   describe '#import and #generate_diff' do
     let(:workflow_import) do
       _import = WorkflowImport.new(data: valid_data)