chore: simplify documentation

Author: benbellick

core/src/main/java/io/substrait/type/Type.java

@@ -397,18 +397,7 @@ abstract class UserDefined implements Type {
      * Returns the type parameters for this user-defined type.
      *
      * <p>Type parameters are used to represent parameterized/generic types, such as {@code
-     * vector<i32>} or custom types like {@code FixedArray<100>}. Each parameter in the list can be
-     * either a type (like {@code i32}) or a value (like the integer {@code 100}).
-     *
-     * <p>Unlike built-in parameterized types ({@link Type.Map}, {@link Type.ListType}, {@link
-     * Type.Decimal}), which have fixed, known schemas with concrete typed fields, user-defined
-     * types have variable, unknown schemas. This is why UserDefined uses a generic {@link
-     * Parameter} list that can hold any mix of types or values, while other parameterized types use
-     * concrete fields like {@code Type key()} or {@code int precision()}.
-     *
-     * <p>For example, a user-defined {@code vector} type parameterized by {@code i32} would have
-     * one type parameter containing the {@code i32} type definition, while a {@code FixedArray}
-     * type might take an integer parameter specifying its size.
+     * vector<i32>}.
      *
      * @return a list of type parameters, or an empty list if this type is not parameterized
      */