media-sound/alsa-scarlett-gui: dropped unused patch

Signed-off-by: Miroslav Šulc <fordfrog@gentoo.org>

media-sound/alsa-scarlett-gui/files/alsa-scarlett-gui-0.4.0-no-Werror.patch

@@ -1,11 +0,0 @@
---- a/src/Makefile
-+++ b/src/Makefile
-@@ -13,7 +13,7 @@ DEPDIR := .deps
- DEPFLAGS = -MT $@ -MMD -MP -MF $(DEPDIR)/$*.d
- 
- CFLAGS ?= -ggdb -fno-omit-frame-pointer -O2
--CFLAGS += -Wall -Werror -D_FORTIFY_SOURCE=2
-+CFLAGS += -Wall -D_FORTIFY_SOURCE=2
- CFLAGS += -DVERSION=\"$(VERSION)\"
- CFLAGS += -Wno-error=deprecated-declarations
-