Migrate descriptor-related util from IR to FE1.0

so that FE1.0 UAST can avoid depending on backend IR

^KTIJ-23602

compiler/frontend/src/org/jetbrains/kotlin/descriptors/descriptorPsiUtils.kt

@@ -27,4 +27,24 @@ fun PropertyAccessorDescriptor.hasBody(): Boolean {
 
 fun isBackingFieldReference(descriptor: DeclarationDescriptor?): Boolean {
     return descriptor is SyntheticFieldDescriptor
-}
+}
+
+/**
+ * @return naturally-ordered list of the parameters that can have values specified at call site.
+ */
+val CallableDescriptor.explicitParameters: List<ParameterDescriptor>
+    get() {
+        val result = ArrayList<ParameterDescriptor>(valueParameters.size + 2)
+
+        this.dispatchReceiverParameter?.let {
+            result.add(it)
+        }
+
+        this.extensionReceiverParameter?.let {
+            result.add(it)
+        }
+
+        result.addAll(valueParameters)
+
+        return result
+    }

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/descriptors/DescriptorUtils.kt

@@ -16,10 +16,7 @@
 
 package org.jetbrains.kotlin.backend.common.descriptors
 
-import org.jetbrains.kotlin.descriptors.CallableDescriptor
-import org.jetbrains.kotlin.descriptors.ConstructorDescriptor
-import org.jetbrains.kotlin.descriptors.FunctionDescriptor
-import org.jetbrains.kotlin.descriptors.ParameterDescriptor
+import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.name.Name
 
 val String.synthesizedName: Name get() = Name.identifier(this.synthesizedString)
@@ -40,23 +37,3 @@ val CallableDescriptor.allParameters: List<ParameterDescriptor>
     } else {
         explicitParameters
     }
-
-/**
- * @return naturally-ordered list of the parameters that can have values specified at call site.
- */
-val CallableDescriptor.explicitParameters: List<ParameterDescriptor>
-    get() {
-        val result = ArrayList<ParameterDescriptor>(valueParameters.size + 2)
-
-        this.dispatchReceiverParameter?.let {
-            result.add(it)
-        }
-
-        this.extensionReceiverParameter?.let {
-            result.add(it)
-        }
-
-        result.addAll(valueParameters)
-
-        return result
-    }