[visualforce] Cleanup InternalApi methods

Refs #4348

pmd-visualforce/src/main/java/net/sourceforge/pmd/lang/vf/ast/InternalApiBridge.java

@@ -11,9 +11,9 @@ import net.sourceforge.pmd.lang.vf.DataType;
  * This is internal API, and can be changed at any time.
  */
 @InternalApi
-public final class VfAstInternals {
+public final class InternalApiBridge {
 
-    private VfAstInternals() {
+    private InternalApiBridge() {
         // utility class
     }
 

pmd-visualforce/src/main/java/net/sourceforge/pmd/lang/vf/ast/OpenTagRegister.java

@@ -9,8 +9,6 @@ import java.util.List;
 
 import org.apache.commons.lang3.StringUtils;
 
-import net.sourceforge.pmd.annotation.InternalApi;
-
 /**
  * Utility class to keep track of unclosed tags. The mechanism is rather simple.
  * If a end tag (</x>) is encountered, it will iterate through the open
@@ -21,7 +19,6 @@ import net.sourceforge.pmd.annotation.InternalApi;
  * @author Victor Bucutea
  *
  */
-@InternalApi
 class OpenTagRegister {
 
     private List<ASTElement> tagList = new ArrayList<>();

pmd-visualforce/src/main/java/net/sourceforge/pmd/lang/vf/ast/VfExpressionTypeVisitor.java

@@ -145,7 +145,7 @@ class VfExpressionTypeVisitor extends VfVisitorBase<Void, Void> {
             }
 
             if (type != null) {
-                VfAstInternals.setDataType(entry.getKey(), type);
+                InternalApiBridge.setDataType(entry.getKey(), type);
             } else {
                 LOG.debug("Unable to determine type for: {}", name);
             }