Merge branch 'clean_up_search_classes' into 'master'

Clean up search result classes

## What does this MR do?

Clean up search result classes

## Are there points in the code the reviewer needs to double check?

I checked if those methods are used and it seems like NO. But you can check as well.

## Why was this MR needed?

To be clean

See merge request !6216

lib/gitlab/project_search_results.rb

@@ -28,11 +28,6 @@ module Gitlab
       end
     end
-    def total_count
-      @total_count ||= issues_count + merge_requests_count + blobs_count +
-                       notes_count + wiki_blobs_count + commits_count
-    end
-
     def blobs_count
       @blobs_count ||= blobs.count
     end

lib/gitlab/search_results.rb

@@ -27,11 +27,6 @@ module Gitlab
       end
     end
-    def total_count
-      @total_count ||= projects_count + issues_count + merge_requests_count +
-        milestones_count
-    end
-
     def projects_count
       @projects_count ||= projects.count
     end
@@ -48,10 +43,6 @@ module Gitlab
       @milestones_count ||= milestones.count
     end
-    def empty?
-      total_count.zero?
-    end
-
     private
     def projects

lib/gitlab/snippet_search_results.rb

@@ -20,10 +20,6 @@ module Gitlab
       end
     end
-    def total_count
-      @total_count ||= snippet_titles_count + snippet_blobs_count
-    end
-
     def snippet_titles_count
       @snippet_titles_count ||= snippet_titles.count
     end

spec/lib/gitlab/search_results_spec.rb

@@ -12,12 +12,6 @@ describe Gitlab::SearchResults do
   let!(:milestone) { create(:milestone, project: project, title: 'foo') }
   let(:results) { described_class.new(user, Project.all, 'foo') }
-  describe '#total_count' do
-    it 'returns the total amount of search hits' do
-      expect(results.total_count).to eq(4)
-    end
-  end
-
   describe '#projects_count' do
     it 'returns the total amount of projects' do
       expect(results.projects_count).to eq(1)
@@ -42,18 +36,6 @@ describe Gitlab::SearchResults do
     end
   end
-  describe '#empty?' do
-    it 'returns true when there are no search results' do
-      allow(results).to receive(:total_count).and_return(0)
-
-      expect(results.empty?).to eq(true)
-    end
-
-    it 'returns false when there are search results' do
-      expect(results.empty?).to eq(false)
-    end
-  end
-
   describe 'confidential issues' do
     let(:project_1) { create(:empty_project) }
     let(:project_2) { create(:empty_project) }

spec/lib/gitlab/snippet_search_results_spec.rb

@@ -5,12 +5,6 @@ describe Gitlab::SnippetSearchResults do
   let(:results) { described_class.new(Snippet.all, 'foo') }
-  describe '#total_count' do
-    it 'returns the total amount of search hits' do
-      expect(results.total_count).to eq(2)
-    end
-  end
-
   describe '#snippet_titles_count' do
     it 'returns the amount of matched snippet titles' do
       expect(results.snippet_titles_count).to eq(1)