deprecating JsonEscapePlace and JsonEscape utility

src/main/java/emissary/transform/JsonEscapePlace.java

@@ -17,6 +17,7 @@
 
 import static emissary.core.constants.Configurations.OUTPUT_FORM;
 
+@Deprecated(forRemoval = true)
 public class JsonEscapePlace extends ServiceProviderPlace {
 
     /**

src/main/java/emissary/transform/decode/JsonEscape.java

@@ -5,6 +5,7 @@
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 
+@Deprecated(forRemoval = true)
 public class JsonEscape {
 
     private static final String ESCAPES = "ntr\"'/\\";

src/test/java/emissary/transform/JsonEscapePlaceTest.java

@@ -8,6 +8,7 @@
 import java.io.IOException;
 import java.util.stream.Stream;
 
+@Deprecated(forRemoval = true)
 class JsonEscapePlaceTest extends ExtractionTest {
 
     public static Stream<? extends Arguments> data() {

src/test/java/emissary/transform/decode/JsonEscapeTest.java

@@ -6,6 +6,7 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
+@Deprecated(forRemoval = true)
 class JsonEscapeTest extends UnitTest {
     @Test
     void testEscapedAngleBracketChars() {