Revert "cpukit/dev/can: Added CAN support"

This reverts commit cd91b37dce.

Closes #4803.

spec/build/cpukit/librtemscpu.yml

@@ -55,11 +55,6 @@ install:
 - destination: ${BSP_INCLUDEDIR}/dev/flash
   source:
   - cpukit/include/dev/flash/flashdev.h
-- destination: ${BSP_INCLUDEDIR}/dev/can
-  source:
-  - cpukit/include/dev/can/can.h
-  - cpukit/include/dev/can/can-msg.h
-  - cpukit/include/dev/can/canqueueimpl.h
 - destination: ${BSP_INCLUDEDIR}/linux
   source:
   - cpukit/include/linux/i2c-dev.h
@@ -528,7 +523,6 @@ source:
 - cpukit/compression/xz/xz_crc32.c
 - cpukit/compression/xz/xz_dec_lzma2.c
 - cpukit/compression/xz/xz_dec_stream.c
-- cpukit/dev/can/can.c
 - cpukit/dev/flash/flashdev.c
 - cpukit/dev/i2c/eeprom.c
 - cpukit/dev/i2c/fpga-i2c-slave.c

spec/build/testsuites/libtests/can01.yml

@@ -1,20 +0,0 @@
-SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
-build-type: test-program
-cflags: []
-copyrights:
-- Copyright (c) 2022 Prashanth S (fishesprashanth@gmail.com).
-cppflags: []
-cxxflags: []
-enabled-by: true
-features: c cprogram
-includes: []
-ldflags: []
-links: []
-source:
-- testsuites/libtests/can01/init.c
-- testsuites/libtests/can01/can-loopback.c
-stlib: []
-target: testsuites/libtests/can01.exe
-type: build
-use-after: []
-use-before: []

spec/build/testsuites/libtests/grp.yml

@@ -76,8 +76,6 @@ links:
   uid: cpuuse
 - role: build-dependency
   uid: crypt01
-- role: build-dependency
-  uid: can01
 - role: build-dependency
   uid: debugger01
 - role: build-dependency