Fix for issue #31: Do not specify the SLF4J bindings. (#32)

Author: andrew-bate-rai

rai-sdk/pom.xml

@@ -58,8 +58,8 @@
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-simple</artifactId>
-            <version>1.7.25</version>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.7.36</version>
         </dependency>
         <dependency>
             <groupId>com.google.protobuf</groupId>