Remove redundant 'inline' from methods (#1483)

src/hb-glib.cc

diff --git a/src/hb-glib.cc b/src/hb-glib.cc
index cb7e709..58bf5e7 100644
--- a/src/hb-glib.cc
+++ b/src/hb-glib.cc
@@ -342,7 +342,7 @@
 
 static struct hb_glib_unicode_funcs_lazy_loader_t : hb_unicode_funcs_lazy_loader_t<hb_glib_unicode_funcs_lazy_loader_t>
 {
-  static inline hb_unicode_funcs_t *create (void)
+  static hb_unicode_funcs_t *create (void)
   {
     hb_unicode_funcs_t *funcs = hb_unicode_funcs_create (nullptr);