IDEMPIERE-3808:collect info to move idempiere to jdk-11 (jdk intenal package)

https://bugs.eclipse.org/bugs/show_bug.cgi?id=367431
implement to don't use intenal package

org.adempiere.base/.classpath

@@ -3,11 +3,10 @@
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">
 		<attributes>
 			<attribute name="module" value="true"/>
-			<attribute name="add-exports" value="java.sql.rowset/com.sun.rowset=ALL-UNNAMED"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="src" path="src/"/>
+	<classpathentry kind="src" path="src"/>
 	<classpathentry exported="true" kind="lib" path="lib/bsh.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/commons-validator.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/cron4j.jar"/>

org.adempiere.base/pom.xml

@@ -12,19 +12,6 @@
 
 	<build>
 		<plugins>
-			<plugin>
-				<groupId>org.eclipse.tycho</groupId>
-				<artifactId>tycho-compiler-plugin</artifactId>
-				<configuration>
-					<!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=367431 -->
-					<compilerArgs>
-						<arg>-warn:+forbidden</arg>
-		      			<arg>--add-exports</arg>
-		      			<arg>java.sql.rowset/com.sun.rowset=ALL-UNNAMED</arg>
-					</compilerArgs>
-				</configuration>
-			</plugin>
-
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-dependency-plugin</artifactId>