Remove setter parameter type inspection #KT-5771 Fixed

(cherry picked from commit 731a670)

idea/testData/inspections/removeSetterParameterType/inspectionData/expected.xml

@@ -0,0 +1,18 @@
+<problems>
+    <problem>
+        <file>test.kt</file>
+        <line>4</line>
+        <module>light_idea_test_case</module>
+        <entry_point TYPE="file" FQNAME="temp:///src/test.kt" />
+        <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Redundant setter parameter type</problem_class>
+        <description>Remove explicit type specification</description>
+    </problem>
+    <problem>
+        <file>test.kt</file>
+        <line>10</line>
+        <module>light_idea_test_case</module>
+        <entry_point TYPE="file" FQNAME="temp:///src/test.kt" />
+        <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Redundant setter parameter type</problem_class>
+        <description>Remove explicit type specification</description>
+    </problem>
+</problems>

idea/testData/inspections/removeSetterParameterType/inspectionData/inspections.test

@@ -0,0 +1 @@
+// INSPECTION_CLASS: org.jetbrains.kotlin.idea.intentions.RemoveSetterParameterTypeInspection

idea/testData/inspections/removeSetterParameterType/test.kt

@@ -0,0 +1,21 @@
+// YES for first two, NO for last two expected
+
+var x: String = ""
+    set(param: String) {
+        field = "$param "
+    }
+
+class My {
+    var y: Int = 1
+        set(param: Int) {
+            field = param - 1
+        }
+
+    var z: Double = 3.14
+        private set
+
+    var w: Boolean = true
+        set(param) {
+            field = !param
+        }
+}

idea/testData/intentions/removeExplicitType/onSetterParameter.kt

@@ -0,0 +1,4 @@
+var x: String = " "
+    set(param: String<caret>) {
+        field = "$param "
+    }

idea/testData/intentions/removeExplicitType/onSetterParameter.kt.after

@@ -0,0 +1,4 @@
+var x: String = " "
+    set(param) {
+        field = "$param "
+    }