[extensions-web] Revert "requirements: restrict maximum pygments version for now. Review later."

[Yuri Konotopov <ykonotopov src gnome org>]

commit 7d7826fa45b8e3ed54f219bef580000f88d2d72d
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Sun Dec 2 00:02:47 2018 +0400

    Revert "requirements: restrict maximum pygments version for now. Review later."
    
    This reverts commit e2c5e0a06fd7d1082b59a4007810d977b2ebb28e.

 requirements.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/requirements.txt b/requirements.txt
index 18d89a4..70da74f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,6 @@ Django >= 1.11,<1.12
 django-autoslug >= 1.4.1
 django-contrib-comments == 1.7.3
 django-registration == 2.1.2
-Pygments >= 1.4,<2
+Pygments >= 1.4
 pillow >= 2.0.0
 chardet >= 2.2.1