Update cheatsheet.en.md

12.temporary_ins/90.electromagnetism-in-vacuum/10.maxwell-equations/20.overview/cheatsheet.en.md

@@ -152,7 +152,6 @@ _thus revolutionizing physics._
 #### What are these 4 Maxwell’s equations?
 
 ##### Local form
-*(fundamental, must know)*
 
 * Two **divergence expressions** of the fields $`\overrightarrow{E}`$ and $`\overrightarrow{B}`$ *unchanged from the stationary case* (electrostatics and magnetostatics):
 
@@ -187,7 +186,6 @@ _thus revolutionizing physics._
 ------------------
 
 ##### Integral form
-*(must know how to re-demonstrate)*
 
 * They **are deduced from the local equations**, with the help of:
    * the *Divergence Theorem*: