Initial review changes

Author: eyalkoren

modules/lang-painless/src/main/resources/org/elasticsearch/painless/org.elasticsearch.script.processor_conditional.txt

@@ -14,10 +14,7 @@ class org.elasticsearch.script.IngestConditionalScript {
 }
 
 class org.elasticsearch.script.field.SourceMapField {
-    String getName()
     boolean exists()
-    boolean isEmpty()
-    int size()
     Iterator iterator()
     def get(def)
     def get(int, def)

server/src/main/java/org/elasticsearch/ingest/ConditionalProcessor.java

@@ -11,6 +11,7 @@
 
 import org.elasticsearch.common.logging.DeprecationCategory;
 import org.elasticsearch.common.logging.DeprecationLogger;
+import org.elasticsearch.script.CtxMap;
 import org.elasticsearch.script.CtxMapWrapper;
 import org.elasticsearch.script.DynamicMap;
 import org.elasticsearch.script.IngestConditionalScript;

server/src/main/java/org/elasticsearch/script/CtxMapWrapper.java

@@ -15,7 +15,7 @@
  * The wrapped {@link CtxMap} should be cleared after use to avoid leaks.
  */
 public class CtxMapWrapper {
-    private volatile CtxMap<?> ctxMap;
+    private CtxMap<?> ctxMap;
 
     public CtxMap<?> getCtxMap() {
         if (ctxMap == null) {