Update exercises/camicia/introduction.md

Co-authored-by: Isaac Good <[email protected]>

Author: FraSanga

exercises/camicia/introduction.md

@@ -1,6 +1,6 @@
 # Introduction
 
-One rainy afternoon, you sit at the kitchen table playing cards with your grandmother.\
+One rainy afternoon, you sit at the kitchen table playing cards with your grandmother.
 The game is [Camicia][bmn].
 
 At first it feels like just another friendly match: cards slapped down, laughter across the table, the occasional victorious grin from Nonna.