Remove unused function parameter: delete empty constructor accurately

So #KT-22221 Fixed
Fixes also some quick-fix tests

idea/testData/quickfix/changeSignature/removeUnusedConstructorParameterWithUsage.kt

@@ -0,0 +1,6 @@
+// "Remove parameter 'x'" "true"
+
+fun foo() {
+    X("")
+}
+class X constructor(<caret>x: String)

idea/testData/quickfix/changeSignature/removeUnusedConstructorParameterWithUsage.kt.after

@@ -0,0 +1,6 @@
+// "Remove parameter 'x'" "true"
+
+fun foo() {
+    X()
+}
+class X

idea/testData/quickfix/changeSignature/removeUnusedInternalConstructorParameter.kt

@@ -0,0 +1,3 @@
+// "Remove parameter 'x'" "true"
+
+class X internal constructor(<caret>x: String)

idea/testData/quickfix/changeSignature/removeUnusedInternalConstructorParameter.kt.after

@@ -0,0 +1,3 @@
+// "Remove parameter 'x'" "true"
+
+class X internal constructor()