refactor(challenges): Remove euler problem (#15837)

BREAKING CHANGE: Remove euler problem 22 from the file

Closes #15831

Author: williamsb

challenges/08-coding-interview-questions-and-take-home-assignments/project-euler-problems.json

@@ -701,30 +701,6 @@
         "Evaluate the sum of all the amicable numbers under n."
       ]
     },
-    {
-      "_id": "5900f3831000cf542c50fe95",
-      "challengeType": 5,
-      "type": "bonfire",
-      "title": "Problem 22: Names scores",
-      "tests": [
-        "assert.strictEqual(euler22(), 871198282, 'message: <code>euler22()</code> should return 871198282.');"
-      ],
-      "solutions": [],
-      "translations": {},
-      "challengeSeed": [
-        "function euler22() {",
-        "  // Good luck!",
-        "  return true;",
-        "}",
-        "",
-        "euler22();"
-      ],
-      "description": [
-        "Using names.txt (right click and 'Save Link/Target As...'), a 46K text file containing over five-thousand first names, begin by sorting it into alphabetical order. Then working out the alphabetical value for each name, multiply this value by its alphabetical position in the list to obtain a name score.",
-        "For example, when the list is sorted into alphabetical order, COLIN, which is worth 3 + 15 + 12 + 9 + 14 = 53, is the 938th name in the list. So, COLIN would obtain a score of 938 × 53 = 49714.",
-        "What is the total of all the name scores in the file?"
-      ]
-    },
     {
       "_id": "5900f3831000cf542c50fe96",
       "challengeType": 5,