Remove unused types

Fix microsoft#727

src/language/json/monaco.contribution.ts

@@ -7,69 +7,6 @@ import * as mode from './jsonMode';
 import { Emitter, IEvent, languages, Uri } from 'monaco-editor-core';
 
 // ---- JSON service types ----
-/**
- * Defines a decimal number. Since decimal numbers are very
- * rare in the language server specification we denote the
- * exact range with every decimal using the mathematics
- * interval notations (e.g. [0, 1] denotes all decimals d with
- * 0 <= d <= 1.
- */
-export type decimal = number;
-
-/**
- * Defines an unsigned integer in the range of 0 to 2^31 - 1.
- */
-export type uinteger = number;
-
-/**
- * Position in a text document expressed as zero-based line and character offset.
- * The offsets are based on a UTF-16 string representation. So a string of the form
- * `a𐐀b` the character offset of the character `a` is 0, the character offset of `𐐀`
- * is 1 and the character offset of b is 3 since `𐐀` is represented using two code
- * units in UTF-16.
- *
- * Positions are line end character agnostic. So you can not specify a position that
- * denotes `\r|\n` or `\n|` where `|` represents the character offset.
- */
-export interface Position {
-	/**
-	 * Line position in a document (zero-based).
-	 */
-	line: uinteger;
-	/**
-	 * Character offset on a line in a document (zero-based). Assuming that the line is
-	 * represented as a string, the `character` value represents the gap between the
-	 * `character` and `character + 1`.
-	 *
-	 * If the character value is greater than the line length it defaults back to the
-	 * line length.
-	 */
-	character: uinteger;
-}
-
-/**
- * A range in a text document expressed as (zero-based) start and end positions.
- *
- * If you want to specify a range that contains a line including the line ending
- * character(s) then use an end position denoting the start of the next line.
- * For example:
- * ```ts
- * {
- *     start: { line: 5, character: 23 }
- *     end : { line 6, character : 0 }
- * }
- * ```
- */
-export interface Range {
-	/**
-	 * The range's start position
-	 */
-	start: Position;
-	/**
-	 * The range's end position.
-	 */
-	end: Position;
-}
 export interface BaseASTNode {
 	readonly type: 'object' | 'array' | 'property' | 'string' | 'number' | 'boolean' | 'null';
 	readonly parent?: ASTNode;
@@ -206,21 +143,8 @@ export interface MatchingSchema {
 	node: ASTNode;
 	schema: JSONSchema;
 }
-/**
- * A tagging type for string properties that are actually document URIs.
- */
-export type DocumentUri = string;
-
-/**
- * Represents a location inside a resource, such as a line
- * inside a text file.
- */
-export interface Location {
-	uri: DocumentUri;
-	range: Range;
-}
-// --- JSON configuration and defaults ---------
 
+// --- JSON configuration and defaults ---------
 export interface DiagnosticsOptions {
 	/**
 	 * If set, the validator will be enabled and perform syntax and schema based validation,