examples/hello_nim/Kconfig: name consistent with other Hello World apps

Use "Hello, language" scheme to keep the naming consistency with other
Hello World applications for different languages.

Signed-off-by: Michal Lenc <michallenc@seznam.cz>

Author: michallenc

examples/hello_nim/Kconfig

@@ -4,10 +4,10 @@
 #
 
 config EXAMPLES_HELLO_NIM
-	tristate "\"Hello, World!\" example (Nim)"
+	tristate "\"Hello, Nim!\" example"
 	default n
 	---help---
-		Enable the \"Hello, World!\" example
+		Enable the \"Hello, Nim!\" example in Nim language
 
 if EXAMPLES_HELLO_NIM