refactor(GatewayIdentifyProperties): remove $ prefix from keys (#493)

BREAKING CHANGE: The fields for identify no longer use the `$` prefix for the values.

Author: almeidx

deno/gateway/v10.ts

@@ -1602,15 +1602,15 @@ export interface GatewayIdentifyProperties {
 	/**
 	 * Your operating system
 	 */
-	$os: string;
+	os: string;
 	/**
 	 * Your library name
 	 */
-	$browser: string;
+	browser: string;
 	/**
 	 * Your library name
 	 */
-	$device: string;
+	device: string;
 }
 
 /**

deno/gateway/v9.ts

@@ -1601,15 +1601,15 @@ export interface GatewayIdentifyProperties {
 	/**
 	 * Your operating system
 	 */
-	$os: string;
+	os: string;
 	/**
 	 * Your library name
 	 */
-	$browser: string;
+	browser: string;
 	/**
 	 * Your library name
 	 */
-	$device: string;
+	device: string;
 }
 
 /**

gateway/v10.ts

@@ -1602,15 +1602,15 @@ export interface GatewayIdentifyProperties {
 	/**
 	 * Your operating system
 	 */
-	$os: string;
+	os: string;
 	/**
 	 * Your library name
 	 */
-	$browser: string;
+	browser: string;
 	/**
 	 * Your library name
 	 */
-	$device: string;
+	device: string;
 }
 
 /**

gateway/v9.ts

@@ -1601,15 +1601,15 @@ export interface GatewayIdentifyProperties {
 	/**
 	 * Your operating system
 	 */
-	$os: string;
+	os: string;
 	/**
 	 * Your library name
 	 */
-	$browser: string;
+	browser: string;
 	/**
 	 * Your library name
 	 */
-	$device: string;
+	device: string;
 }
 
 /**