fix packagist urls

Author: Joel Butcher

README.md

@@ -6,14 +6,14 @@ This repository contains the open source PHP SDK that allows you to access the F
     <a href="https://github.com/joelbutcher/facebook-php-graph-sdk/actions">
         <img src="https://github.com/joelbutcher/facebook-php-graph-sdk/workflows/tests/badge.svg" alt="Build Status">
     </a>
-    <a href="https://packagist.org/packages/joelbutcher/facebook-php-graph-sdk">
-        <img src="https://img.shields.io/packagist/dt/joelbutcher/facebook-php-graph-sdk" alt="Total Downloads">
+    <a href="https://packagist.org/packages/joelbutcher/facebook-graph-sdk">
+        <img src="https://img.shields.io/packagist/dt/joelbutcher/facebook-graph-sdk" alt="Total Downloads">
     </a>
-    <a href="https://packagist.org/packages/joelbutcher/facebook-php-graph-sdk">
-        <img src="https://img.shields.io/packagist/v/joelbutcher/facebook-php-graph-sdk" alt="Latest Stable Version">
+    <a href="https://packagist.org/packages/joelbutcher/facebook-graph-sdk">
+        <img src="https://img.shields.io/packagist/v/joelbutcher/facebook-graph-sdk" alt="Latest Stable Version">
     </a>
-    <a href="https://packagist.org/packages/joelbutcher/facebook-php-graph-sdk">
-        <img src="https://img.shields.io/packagist/l/joelbutcher/facebook-php-graph-sdk" alt="License">
+    <a href="https://packagist.org/packages/joelbutcher/facebook-graph-sdk">
+        <img src="https://img.shields.io/packagist/l/joelbutcher/facebook-graph-sdk" alt="License">
     </a>
 </p>