spec: Remove residue bsps spec files

Update #3850

spec/build/bsps/objnetnosmp.yml

@@ -1,21 +0,0 @@
-SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
-build-type: objects
-cflags: []
-copyrights:
-- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
-cppflags: []
-cxxflags: []
-enabled-by:
-- and:
-  - RTEMS_NETWORKING
-  - not: RTEMS_SMP
-includes:
-- cpukit/libnetworking
-install:
-- destination: ${BSP_INCLUDEDIR}/libchip
-  source:
-  - bsps/include/libchip/greth.h
-links: []
-source:
-- bsps/shared/net/greth2.c
-type: build

spec/build/bsps/powerpc/motorola_powerpc/objqemunet.yml

@@ -1,18 +0,0 @@
-SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
-build-type: objects
-cflags: []
-copyrights:
-- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
-cppflags: []
-cxxflags: []
-enabled-by:
-- and:
-  - qemuprep
-  - RTEMS_NETWORKING
-includes:
-- cpukit/libnetworking
-install: []
-links: []
-source:
-- bsps/i386/pc386/net/ne2000.c
-type: build

spec/build/bsps/riscv/griscv/objnetnosmp.yml

@@ -1,18 +0,0 @@
-SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
-build-type: objects
-cflags: []
-copyrights:
-- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
-cppflags: []
-cxxflags: []
-enabled-by:
-- and:
-  - RTEMS_NETWORKING
-  - not: RTEMS_SMP
-includes:
-- cpukit/libnetworking
-install: []
-links: []
-source:
-- bsps/riscv/griscv/net/griscv_greth.c
-type: build