Revert Alpha patch

While the patch works fine and embedding issues have been fixed in the
latest patch (0.8.2), it breaks embedding for other programs like dmenu
and sxiw. Also, in the end, I prefer an opaque background.

1 files changed, 0 insertions, 1 deletions

diff --git a/st.h b/st.h
index 64e6ea3..a1928ca 100644
--- a/st.h
+++ b/st.h
@@ -121,4 +121,3 @@ extern char *termname;
 extern unsigned int tabspaces;
 extern unsigned int defaultfg;
 extern unsigned int defaultbg;
-extern float alpha;