remove VariableDescriptor.inType

(approved by Andrey Breslav)

compiler/testData/diagnostics/tests/Properties.jet

@@ -7,7 +7,7 @@ var x : Int = 1 + x
 
  val xx : Int = <!PROPERTY_INITIALIZER_NO_BACKING_FIELD!>1 + x<!>
    get() : Int = 1
-   <!VAL_WITH_SETTER!>set(value : Long) {}<!>
+   <!VAL_WITH_SETTER!>set(value : <!WRONG_SETTER_PARAMETER_TYPE!>Long<!>) {}<!>
 
   val p : Int = <!PROPERTY_INITIALIZER_NO_BACKING_FIELD!>1<!>
     get() = 1
@@ -26,4 +26,4 @@ class Test() {
     a = <!NO_BACKING_FIELD_CUSTOM_ACCESSORS!>$b<!>
    }
    public val <!PUBLIC_MEMBER_SHOULD_SPECIFY_TYPE!>i<!> = 1
-}
+}