[gnome-builder] Revert "GVls: enable Diagnostic Provider"

[Christian Hergert <chergert src gnome org>]

commit 7c528e84f053df55a67741e42571ab0137ebbe22
Author: Christian Hergert <chergert redhat com>
Date:   Sat Dec 14 12:41:42 2019 -0800

    Revert "GVls: enable Diagnostic Provider"
    
    This reverts commit aae1b575bdff78a4fc8fd675bbde07b5460d6c2e.

 src/plugins/gvls/gvls.plugin    | 1 -
 src/plugins/gvls/gvls_plugin.py | 4 ----
 2 files changed, 5 deletions(-)
---
diff --git a/src/plugins/gvls/gvls.plugin b/src/plugins/gvls/gvls.plugin
index 8695ed0da..319ff2776 100644
--- a/src/plugins/gvls/gvls.plugin
+++ b/src/plugins/gvls/gvls.plugin
@@ -12,4 +12,3 @@ X-Completion-Provider-Languages=vala
 X-Completion-Provider-Languages-Priority=0
 X-Highlighter-Languages=vala
 X-Symbol-Resolver-Languages=vala
-X-Diagnostic-Provider-Languages=vala
diff --git a/src/plugins/gvls/gvls_plugin.py b/src/plugins/gvls/gvls_plugin.py
index c7f5afd7b..9ba613df0 100644
--- a/src/plugins/gvls/gvls_plugin.py
+++ b/src/plugins/gvls/gvls_plugin.py
@@ -216,7 +216,3 @@ class GVlsSymbolResolver(Ide.LspSymbolResolver):
     def do_load(self):
         GVlsService.bind_client(self)
 
-
-class GVlsDiagnosticProvider(Ide.LspDiagnosticProvider):
-    def do_load(self):
-        GVlsService.bind_client(self)