[libgda] Removing documentation translation references

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit e3809aff75999f0cdf8ea3400582bd0285c95967
Author: Daniel Espinosa <esodan gmail com>
Date:   Fri Sep 21 16:33:09 2018 -0500

    Removing documentation translation references

 doc/Makefile.am | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 27949f454..9f359d1e0 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -2,6 +2,4 @@ if ENABLE_VALA_DOC
 MALLARD_DOC_DIR=mallard
 endif
 
-SUBDIRS = $(MALLARD_DOC_DIR) C
-
-DOC_LINGUAS = el es gl
+SUBDIRS = $(MALLARD_DOC_DIR) C
\ No newline at end of file