philosophers: nanokernel: use empty config

None of the configuration directives for any of the arches were
actually needed.

Change-Id: Id0bf7393b8e2c7e0f5188c50c13d7666cdfcd114
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
diff --git a/samples/philosophers/nanokernel/Makefile b/samples/philosophers/nanokernel/Makefile
index 2a8d6ed..1e63204 100644
--- a/samples/philosophers/nanokernel/Makefile
+++ b/samples/philosophers/nanokernel/Makefile
@@ -1,6 +1,6 @@
 KERNEL_TYPE = nano
 BOARD ?= qemu_x86
 SOURCE_DIR = $(ZEPHYR_BASE)/samples/philosophers/microkernel/src/
-CONF_FILE = prj_$(ARCH).conf
+CONF_FILE = prj.conf
 
 include ${ZEPHYR_BASE}/Makefile.inc
diff --git a/samples/philosophers/nanokernel/prj.conf b/samples/philosophers/nanokernel/prj.conf
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/samples/philosophers/nanokernel/prj.conf
diff --git a/samples/philosophers/nanokernel/prj_arc.conf b/samples/philosophers/nanokernel/prj_arc.conf
deleted file mode 100644
index 18bfc81..0000000
--- a/samples/philosophers/nanokernel/prj_arc.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-CONFIG_COMPILER_OPT="-O0"
-CONFIG_NUM_IRQS=43
diff --git a/samples/philosophers/nanokernel/prj_arm.conf b/samples/philosophers/nanokernel/prj_arm.conf
deleted file mode 100644
index 18bfc81..0000000
--- a/samples/philosophers/nanokernel/prj_arm.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-CONFIG_COMPILER_OPT="-O0"
-CONFIG_NUM_IRQS=43
diff --git a/samples/philosophers/nanokernel/prj_x86.conf b/samples/philosophers/nanokernel/prj_x86.conf
deleted file mode 100644
index 649a67c..0000000
--- a/samples/philosophers/nanokernel/prj_x86.conf
+++ /dev/null
@@ -1,3 +0,0 @@
-# Let stack canaries use non-random number generator.
-# This option is NOT to be used in production code.
-CONFIG_TEST_RANDOM_GENERATOR=y