Fixed formatting error

I have fixed a formatting error where the "Blink Example" section was accidentally put as part of a code example.

Author: mrwolferinc

content/learn/04.electronics/03.lcd-displays/lcd-displays.md

@@ -271,7 +271,7 @@ void loop() {
 
   lcd.clear();
 }
-```s
+```
 
 ### Blink Example
 
@@ -1170,4 +1170,4 @@ void loop() {
   lcd.write(4);
   delay(delayTime);
 }
-```
+```