ChainCallInplaceIntroducer: registry key removed (unconditional now)

java/java-impl/src/com/intellij/refactoring/introduceVariable/IntroduceVariableBase.java

@@ -1259,8 +1259,6 @@ public abstract class IntroduceVariableBase extends IntroduceHandlerBase {
   }
 
   static class OccurrencesInfo {
-    static final boolean CHAIN_ALLOWED = Registry.is("java.extract.variable.chaining.method");
-
     List<PsiExpression> myOccurrences;
     List<PsiExpression> myNonWrite;
     boolean myCantReplaceAll;
@@ -1284,7 +1282,7 @@ public abstract class IntroduceVariableBase extends IntroduceHandlerBase {
         }
       }
       myHasWriteAccess = myOccurrences.size() > myNonWrite.size() && myOccurrences.size() > 1;
-      myChainMethodName = CHAIN_ALLOWED ? getChainCallExtractor() : null;
+      myChainMethodName = getChainCallExtractor();
     }
 
     private String getChainCallExtractor() {

platform/util/resources/misc/registry.properties

@@ -1068,10 +1068,6 @@ JavaScript.WebPack.With.JsonSchema.description=Use JSON-Schema powered support f
 ide.diagnostics.suggest.sending.all.attachments=false
 ide.diagnostics.suggest.sending.all.attachments.description=Suggest the user to send all error attachments by default
 
-java.extract.variable.chaining.method=true
-java.extract.variable.chaining.method.description=Allows "Extract variable" to create separate call chain step
-java.extract.variable.chaining.method.restartRequired=true
-
 performance.watcher.unresponsive.interval.ms=5000
 performance.watcher.unresponsive.interval.ms.description=Maximum time in ms for UI freezes. If UI thread freezes longer the thread dump will be logged