fix incorrect characther in core.properties

sonar-core/src/main/resources/org/sonar/l10n/core.properties

@@ -2596,7 +2596,7 @@ users.no_tokens=No tokens
 users.generate=Generate
 users.generate_tokens=Generate Tokens
 users.enter_token_name=Enter Token Name
-users.tokens.new_token_created=New token "{0}" has been created. Make sure you copy it now, you won’t be able to see it again!
+users.tokens.new_token_created=New token "{0}" has been created. Make sure you copy it now, you won't be able to see it again!
 users.tokens.copied=Copied!
 users.generate_new_token=Generate New Token