Revert "FEATURE: [Experimental] Content Security Policy (#6504)"

This reverts commit fb8231077a07fe9b3bcdce150c6615b1897166c7.

spec/requests/csp_reports_controller_spec.rb

@@ -1,56 +0,0 @@
-require 'rails_helper'
-
-describe CspReportsController do
-  describe '#create' do
-    before do
-      SiteSetting.content_security_policy = true
-      SiteSetting.content_security_policy_collect_reports = true
-
-      @orig_logger = Rails.logger
-      Rails.logger = @fake_logger = FakeLogger.new
-    end
-
-    after do
-      Rails.logger = @orig_logger
-    end
-
-    def send_report
-      post '/csp_reports', params: {
-        "csp-report": {
-          "document-uri": "http://localhost:3000/",
-          "referrer": "",
-          "violated-directive": "script-src",
-          "effective-directive": "script-src",
-          "original-policy": "script-src 'unsafe-eval' www.google-analytics.com; report-uri /csp_reports",
-          "disposition": "report",
-          "blocked-uri": "http://suspicio.us/assets.js",
-          "line-number": 25,
-          "source-file": "http://localhost:3000/",
-          "status-code": 200,
-          "script-sample": ""
-        }, headers: { "Content-Type": "application/csp-report" }
-      }
-    end
-
-    it 'is enabled by SiteSetting' do
-      SiteSetting.content_security_policy = false
-      SiteSetting.content_security_policy_report_only = false
-      SiteSetting.content_security_policy_collect_reports = true
-      send_report
-      expect(response.status).to eq(404)
-
-      SiteSetting.content_security_policy = true
-      send_report
-      expect(response.status).to eq(200)
-
-      SiteSetting.content_security_policy_collect_reports = false
-      send_report
-      expect(response.status).to eq(404)
-    end
-
-    it 'logs the violation report' do
-      send_report
-      expect(Rails.logger.warnings).to include("CSP Violation: 'http://suspicio.us/assets.js'")
-    end
-  end
-end