feat(learn): rename certificates, cert slugs, and cert flags (#39026)

client/utils/challengeTypes.js

@@ -120,11 +120,11 @@ exports.helpCategory = {
   'take-home-projects': 'Certification Projects',
   'rosetta-code': 'JavaScript',
   'project-euler': 'JavaScript',
-  'scientific-computing-with-python': 'Certification Projects',
+  'scientific-computing-with-python': 'Python',
   'scientific-computing-with-python-projects': 'Certification Projects',
-  'data-analysis-with-python': 'Certification Projects',
+  'data-analysis-with-python': 'Python',
   'data-analysis-with-python-projects': 'Certification Projects',
-  'machine-learning-with-python': 'Certification Projects',
+  'machine-learning-with-python': 'Python',
   'machine-learning-with-python-projects': 'Certification Projects',
   'python-for-everybody': 'Python',
   tensorflow: 'Python',

client/utils/validCertNames.js

@@ -1,17 +0,0 @@
-export default [
-  'responsive-web-design',
-  'javascript-algorithms-and-data-structures',
-  'front-end-libraries',
-  'data-visualization',
-  'apis-and-microservices',
-  'full-stack',
-  'scientific-computing-with-python',
-  'data-analysis-with-python',
-  'machine-learning-with-python',
-  'information-security',
-  'quality-assurance',
-  'legacy-front-end',
-  'legacy-back-end',
-  'legacy-data-visualization',
-  'legacy-information-security-and-quality-assurance'
-];