Switch to upstream pear/image_color

Author: duboism

composer.json

@@ -25,12 +25,6 @@
     "require": {
         "php": ">=5.6",
         "pear/pear_exception": "*",
-        "pear/image_color": "dev-master"
-    },
-    "repositories": [
-        {
-            "type": "vcs",
-            "url":  "[email protected]:duboism/image_color"
-        }
-    ]
+        "pear/image_color": "*"
+    }
 }