Removed the slf4j-simple dependency

Author: caowei-amazon

README.md

@@ -329,7 +329,7 @@ We have 2 different types of tests:
 	./gradlew integ
 	```
 
-	**NOTE**: You need to replace the access key id and access key with your own AWS credentials.
+	**NOTE**: You need to replace the access key id and access key with your own AWS credentials. Another option is using IAM user access key pair without session token.
 
 ### Formatting
 

build.gradle

@@ -64,7 +64,6 @@ dependencies {
 	implementation 'com.fasterxml.jackson.core:jackson-annotations:2.11.1'
 	implementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.11.1'
 	implementation 'org.slf4j:slf4j-api:1.7.30'
-	implementation 'org.slf4j:slf4j-simple:1.7.30'
 	implementation 'org.javatuples:javatuples:1.2'
 
 	// Use JUnit test framework

src/main/java/software/amazon/cloudwatchlogs/emf/sinks/TCPClient.java

@@ -36,7 +36,6 @@ public TCPClient(Endpoint endpoint) {
 
     private void connect() {
         try {
-            // Avoid "socket already connected" error (https://issues.amazon.com/issues/P54323886)
             socket = createSocket();
             socket.connect(new InetSocketAddress(endpoint.getHost(), endpoint.getPort()));
             shouldConnect = false;