exclude useless slf4j

Author: KenChoi1992

pom.xml

@@ -43,6 +43,16 @@
 			<groupId>cn.jpush.api</groupId>
 			<artifactId>jiguang-common</artifactId>
 			<version>0.1.6</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.slf4j</groupId>
+                    <artifactId>slf4j-jdk14</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.slf4j</groupId>
+                    <artifactId>slf4j-nop</artifactId>
+                </exclusion>
+            </exclusions>
 		</dependency>
 		<dependency>
 			<groupId>com.google.code.gson</groupId>