chore(curriculum): Remove files in wrong format

curriculum/challenges/english/08-coding-interview-prep/rosetta-code/fibonacci-sequence.english.md

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+---
+title: Fibonacci sequence
+id: 597f24c1dda4e70f53c79c81
+challengeType: 5
+---
+
+## Description
+<section id='description'>
+<p>Write a function to generate the  <big> n<sup>th</sup> </big>  Fibonacci number.</p>
+///<p>The <big> n<sup>th</sup> </big>  Fibonacci number is given by :
+///<p>F<sub>n</sub> = F<sub>n-1</sub> + F<sub>n-2</sub></p>
+///<p>The first two terms of the series are 0, 1.</p>
+///<p>Hence, the series is : 0, 1, 1, 2, 3, 5, 8, 13...</p>
+///
+</section>
+
+## Instructions
+<section id='instructions'>
+
+</section>
+
+## Tests
+<section id='tests'>
+
+```yml
+tests:
+  - text: <code>fibonacci</code> is a function.
+    testString: 'assert(typeof fibonacci === ''function'', ''<code>fibonacci</code> is a function.'');'
+  - text: <code>fibonacci(2)</code> should return a number.
+    testString: 'assert(typeof fibonacci(2) == ''number'', ''<code>fibonacci(2)</code> should return a number.'');'
+  - text: <code>fibonacci(3)</code> should return 1.")
+    testString: 'assert.equal(fibonacci(3),1,"<code>fibonacci(3)</code> should return 1.");'
+  - text: <code>fibonacci(5)</code> should return 3.")
+    testString: 'assert.equal(fibonacci(5),3,"<code>fibonacci(5)</code> should return 3.");'
+  - text: <code>fibonacci(10)</code> should return 34.")
+    testString: 'assert.equal(fibonacci(10),34,"<code>fibonacci(10)</code> should return 34.");'
+
+```
+
+</section>
+
+## Challenge Seed
+<section id='challengeSeed'>
+
+<div id='js-seed'>
+
+```js
+function fibonacci(n) {
+  // Good luck!
+}
+```
+
+</div>
+
+
+
+</section>
+
+## Solution
+<section id='solution'>
+
+
+```js
+function fibonacci(n) {
+  let a = 0, b = 1, t;
+  while (--n > 0) {
+    t = a;
+    a = b;
+    b += t;
+  }
+  return a;
+}
+
+```
+
+</section>