Fix API generation (#19866)

keyboards/signum/3_0/elitec/elitec.c

@@ -1 +0,0 @@
-#include "elitec.h"

keyboards/signum/3_0/elitec/elitec.h

@@ -1,3 +0,0 @@
-#pragma once
-
-#include "3_0.h"

keyboards/signum/3_0/elitec/rules.mk

@@ -0,0 +1,17 @@
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = yes           # Enable N-Key Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+
+# Disable unsupported hardware
+RGBLIGHT_SUPPORTED = no
+AUDIO_SUPPORTED = no
+BACKLIGHT_SUPPORTED = no