refs #1753 - revert to test scope for slf4j-simple dep

fixes #1753

Author: frantuma

modules/swagger-parser-v3/pom.xml

@@ -64,6 +64,7 @@
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
             <version>${slf4j-version}</version>
+            <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>com.github.tomakehurst</groupId>