tests: app_kernel: Remove FP configurations

As nothing in the app_kernel uses floating point, there is no
reason to enable it.

Signed-off-by: Peter Mitsis <peter.mitsis@intel.com>

tests/benchmarks/app_kernel/prj_fp.conf

@@ -1,22 +0,0 @@
-CONFIG_TEST=y
-# all printf, fprintf to stdout go to console
-CONFIG_STDOUT_CONSOLE=y
-CONFIG_MAIN_THREAD_PRIORITY=6
-
-CONFIG_FPU=y
-CONFIG_FPU_SHARING=y
-
-# eliminate timer interrupts during the benchmark
-CONFIG_SYS_CLOCK_TICKS_PER_SEC=1
-CONFIG_TICKLESS_KERNEL=n
-
-CONFIG_FORCE_NO_ASSERT=y
-
-# Disable HW Stack Protection (see #28664)
-CONFIG_TEST_HW_STACK_PROTECTION=n
-CONFIG_HW_STACK_PROTECTION=n
-
-CONFIG_MP_MAX_NUM_CPUS=1
-
-# Enable pipes
-CONFIG_PIPES=y

tests/benchmarks/app_kernel/testcase.yaml

@@ -9,44 +9,3 @@ tests:
     integration_platforms:
       - mps2_an385
       - qemu_x86
-  benchmark.kernel.application.fp:
-    extra_args: CONF_FILE=prj_fp.conf
-    extra_configs:
-      - arch:x86:CONFIG_X86_SSE=y
-      - arch:x86:CONFIG_X86_SSE_FP_MATH=n
-    arch_allow:
-      - x86
-      - arm
-    filter: CONFIG_CPU_HAS_FPU or CONFIG_ARMV7_M_ARMV8_M_FP
-    min_flash: 34
-    min_ram: 32
-    slow: true
-    toolchain_exclude:
-      - llvm
-      - oneApi
-    integration_platforms:
-      - qemu_x86
-  benchmark.kernel.application.fp.x86.no_sse:
-    extra_args: CONF_FILE=prj_fp.conf
-    extra_configs:
-      - CONFIG_X86_SSE=n
-      - CONFIG_X86_SSE_FP_MATH=n
-    arch_allow: x86
-    filter: CONFIG_CPU_HAS_FPU
-    min_flash: 34
-    min_ram: 32
-    slow: true
-    integration_platforms:
-      - qemu_x86
-  benchmark.kernel.application.fp.x86.sse:
-    extra_args: CONF_FILE=prj_fp.conf
-    extra_configs:
-      - CONFIG_X86_SSE=y
-      - CONFIG_X86_SSE_FP_MATH=y
-    arch_allow: x86
-    filter: CONFIG_CPU_HAS_FPU
-    min_flash: 34
-    min_ram: 32
-    slow: true
-    integration_platforms:
-      - qemu_x86