[kernel] Change how TypeParameterType is calculated.

pkg/kernel/binary.md

Index: pkg/kernel/binary.md
diff --git a/pkg/kernel/binary.md b/pkg/kernel/binary.md
index deacc0c90d333e479d6556dabaaac1c1961908e6..7ddb029d3c6e9e8f498065520d3305886e69dfb6 100644
--- a/pkg/kernel/binary.md
+++ b/pkg/kernel/binary.md
@@ -1011,12 +1011,6 @@ type TypeParameterType extends DartType {
   // the class type parameters in a constructor refer to those declared on the
   // class.
   UInt index;
-
-  // Byte offset in the binary for the first type declaration of the
-  // Class or FunctionNode.
-  UInt typeParameterPosition;
-  // The entry number in the list (starting at 0).
-  UInt typeParameterIndex;
   Option<DartType> bound;
 }