remove duplicate info of min YEL income for unemployment in YEL section

#77

1) The guide is meant to be read as a whole, not part by part
2) The reader can easily increase the YEL income later if they want
3) With new YEL rules, target audience has to choose above 14k anyway

README.md

@@ -454,7 +454,6 @@ will sell you one without YEL. Because *YEL is the foundation* and a private hea
   * Has a <ins>**minimum**</ins> of ~8,600€ and a <ins>**maximum**</ins> of ~194,500€ per year.
   * Before 2023, you had complete freedom to choose the minimum.
   * From 2023, you must [estimate the correct level of YEL income](https://www.varma.fi/en/self-employed/yel-insurance/determination-of-yel-income/) and select it accordingly.
-  * Note that unemployment law enforces a higher minimum `YEL income` if you wish to be part of an unemployment fund.
 * `YEL contribution`:
   * Is how much you **pay** for your ***coverage***.
   * Is ~19% of your `YEL income`, which means you pay ~1,600€ up to ~36,200€ per year as a business cost.