Fix most rubocop issues (#2165)

* Run rubocop --autocorrect on app/, config/ and lib/, also manually fix some remaining style issues

* Run rubocop --autocorrect-all on db/

* Run rubocop --autocorrect-all on `spec/` and fix remaining issues

spec/models/concerns/account_interactions_spec.rb

@@ -23,7 +23,7 @@ describe AccountInteractions do
     context 'account with Follow but with reblogs disabled' do
       it 'returns { target_account_id => { reblogs: false } }' do
         Fabricate(:follow, account: account, target_account: target_account, show_reblogs: false)
-        is_expected.to eq(target_account_id => { reblogs: false, notify: false, languages: nil })
+        expect(subject).to eq(target_account_id => { reblogs: false, notify: false, languages: nil })
       end
     end
 
@@ -690,41 +690,4 @@ describe AccountInteractions do
       end
     end
   end
-
-  describe 'ignoring reblogs from an account' do
-    before do
-      @me = Fabricate(:account, username: 'Me')
-      @you = Fabricate(:account, username: 'You')
-    end
-
-    context 'with the reblogs option unspecified' do
-      before do
-        @me.follow!(@you)
-      end
-
-      it 'defaults to showing reblogs' do
-        expect(@me.muting_reblogs?(@you)).to be(false)
-      end
-    end
-
-    context 'with the reblogs option set to false' do
-      before do
-        @me.follow!(@you, reblogs: false)
-      end
-
-      it 'does mute reblogs' do
-        expect(@me.muting_reblogs?(@you)).to be(true)
-      end
-    end
-
-    context 'with the reblogs option set to true' do
-      before do
-        @me.follow!(@you, reblogs: true)
-      end
-
-      it 'does not mute reblogs' do
-        expect(@me.muting_reblogs?(@you)).to be(false)
-      end
-    end
-  end
 end