Remove Mute Rule update endpoint

This endpoint was never used

app/controllers/ajax/mute_rule_controller.rb

@@ -15,32 +15,6 @@ class Ajax::MuteRuleController < AjaxController
     @response[:id] = rule.id
   end
 
-  def update
-    params.require :id
-    params.require :muted_phrase
-
-    unless user_signed_in?
-      @response[:status] = :noauth
-      @response[:message] = t(".noauth")
-      return
-    end
-
-    rule = MuteRule.find(params[:id])
-
-    if rule.user_id != current_user.id
-      @response[:status] = :nopriv
-      @response[:message] = t(".nopriv")
-      return
-    end
-
-    rule.muted_phrase = params[:muted_phrase]
-    rule.save!
-
-    @response[:status] = :okay
-    @response[:message] = t(".success")
-    @response[:success] = true
-  end
-
   def destroy
     params.require :id
 

config/routes.rb

@@ -129,7 +129,6 @@ Rails.application.routes.draw do
     post "/subscribe", to: "subscription#subscribe", as: :subscribe_answer
     post "/unsubscribe", to: "subscription#unsubscribe", as: :unsubscribe_answer
     post "/mute", to: "mute_rule#create", as: :create_mute_rule
-    post "/mute/:id", to: "mute_rule#update", as: :update_mute_rule
     delete "/mute/:id", to: "mute_rule#destroy", as: :delete_mute_rule
     post "/block_anon", to: "anonymous_block#create", as: :block_anon
     delete "/block_anon/:id", to: "anonymous_block#destroy", as: :unblock_anon

spec/controllers/ajax/mute_rule_controller_spec.rb

@@ -31,33 +31,6 @@ describe Ajax::MuteRuleController, :ajax_controller, type: :controller do
     end
   end
 
-  describe "#update" do
-    subject { post(:update, params: params) }
-
-    context "when user is signed in" do
-      before(:each) { sign_in(user) }
-
-      let(:rule) { MuteRule.create(user: user, muted_phrase: 'test') }
-      let(:params) { { id: rule.id, muted_phrase: 'dogs' } }
-      let(:expected_response) do
-        {
-          "success" => true,
-          "status" => "okay",
-          "message" => "Rule updated successfully."
-        }
-      end
-
-      it "updates a mute rule" do
-        subject
-        expect(response).to have_http_status(:success)
-
-        expect(rule.reload.muted_phrase).to eq('dogs')
-      end
-
-      include_examples "returns the expected response"
-    end
-  end
-
   describe "#destroy" do
     subject { delete(:destroy, params: params) }