Example: Canonicalize urlPattern to pattern (#2341)

Close #2334 

To avoid merge conflicts, I've deferred removing the aliasing logic in `prepareExamples`. That whole function will be refactored momentarily, and there's also #2339 open.

services/codacy/codacy-coverage.service.js

@@ -30,13 +30,13 @@ module.exports = class CodacyCoverage extends BaseSvgScrapingService {
     return [
       {
         title: 'Codacy coverage',
-        urlPattern: ':projectId',
+        pattern: ':projectId',
         staticExample: this.render({ percentage: 90 }),
         exampleUrl: '59d607d0e311408885e418004068ea58',
       },
       {
         title: 'Codacy branch coverage',
-        urlPattern: ':projectId/:branch',
+        pattern: ':projectId/:branch',
         staticExample: this.render({ percentage: 90 }),
         exampleUrl: '59d607d0e311408885e418004068ea58/master',
       },

services/codacy/codacy-grade.service.js

@@ -23,13 +23,13 @@ module.exports = class CodacyGrade extends BaseSvgScrapingService {
     return [
       {
         title: 'Codacy grade',
-        urlPattern: ':projectId',
+        pattern: ':projectId',
         staticExample: this.render({ grade: 'A' }),
         exampleUrl: 'e27821fb6289410b8f58338c7e0bc686',
       },
       {
         title: 'Codacy branch grade',
-        urlPattern: ':projectId/:branch',
+        pattern: ':projectId/:branch',
         staticExample: this.render({ grade: 'A' }),
         exampleUrl: 'e27821fb6289410b8f58338c7e0bc686/master',
       },