docs: adjust formatting to satisfy presubmit checks

Author: Nikeshh01

adapter/README.md

@@ -30,7 +30,7 @@ Real-world example
 In plain words
 
 > Adapter pattern lets you wrap an otherwise incompatible object in an adapter to make it compatible with another class.
-> This pattern is especially useful when integrating legacy systems with modern code.
+This pattern is especially useful when integrating legacy systems with modern code.
 
 
 Wikipedia says