[FIR] Remove FirOperatorCall node from fir tree

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/BuilderConfigurator.kt

@@ -174,10 +174,6 @@ object BuilderConfigurator : AbstractBuilderConfigurator<FirTreeBuilder>(FirTree
             default("resolvePhase", "FirResolvePhase.RAW_FIR")
         }
 
-        builder(operatorCall) {
-            parents += callBuilder
-        }
-
         builder(typeOperatorCall) {
             parents += callBuilder
             default("argumentList") {

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/FirTreeBuilder.kt

@@ -83,7 +83,6 @@ object FirTreeBuilder : AbstractFirTreeBuilder() {
     val argumentList = element("ArgumentList", Expression)
     val call = element("Call", Expression, statement) // TODO: may smth like `CallWithArguments` or `ElementWithArguments`?
     val annotationCall = element("AnnotationCall", Expression, expression, call)
-    val operatorCall = element("OperatorCall", Expression, expression, call)
     val comparisonExpression = element("ComparisonExpression", Expression, expression)
     val typeOperatorCall = element("TypeOperatorCall", Expression, expression, call)
     val assignmentOperatorStatement = element("AssignmentOperatorStatement", Expression, statement)

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt

@@ -225,11 +225,6 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
             }
         }
 
-        impl(operatorCall) {
-            default("typeRef", "FirImplicitTypeRefImpl(null)")
-            useTypes(implicitTypeRefType)
-        }
-
         impl(comparisonExpression) {
             default("typeRef", "FirImplicitBooleanTypeRef(null)")
             useTypes(implicitBooleanTypeRefType)

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/NodeConfigurator.kt

@@ -207,10 +207,6 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
             +field("calleeReference", namedReference)
         }
 
-        operatorCall.configure {
-            +field("operation", operationType)
-        }
-
         comparisonExpression.configure {
             +field("operation", operationType)
             +field("compareToCall", functionCall)