[BAEL-8962] updated package name

Author: dhrubo55

core-java-modules/core-java-compiler/src/main/java/com/baeldung/compilerApi/InMemoryJavaFile.java renamed to core-java-modules/core-java-compiler/src/main/java/com/baeldung/compilerapi/InMemoryJavaFile.java

@@ -1,4 +1,4 @@
-package com.baeldung.compilerApi;
+package com.baeldung.compilerapi;
 
 import javax.tools.SimpleJavaFileObject;
 import java.net.URI;

core-java-modules/core-java-compiler/src/main/java/com/baeldung/compilerApi/JavaCompilerUtils.java renamed to core-java-modules/core-java-compiler/src/main/java/com/baeldung/compilerapi/JavaCompilerUtils.java

@@ -1,4 +1,4 @@
-package com.baeldung.compilerApi;
+package com.baeldung.compilerapi;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

core-java-modules/core-java-compiler/src/test/java/com/baeldung/compilerApi/JavaCompilerUnitTest.java renamed to core-java-modules/core-java-compiler/src/test/java/com/baeldung/compilerapi/JavaCompilerUnitTest.java

@@ -1,10 +1,8 @@
-package com.baeldung.compilerApi;
+package com.baeldung.compilerapi;
 
 import org.junit.jupiter.api.*;
 import org.junit.jupiter.api.io.TempDir;
 
-import java.io.ByteArrayOutputStream;
-import java.io.PrintStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;