Remove needless toolchain files and variable settings.

Unnecessary to set CMAKE_SYSTEM_NAME and  CMAKE_SYSTEM_PROCESSOR set, these values are set by default.
Its also able to use any C99-compliant compiler by use the default CC enviroment variable or set the
CMAKE_C_COMPILER value using the build script cmake-param argument.

JerryScript-DCO-1.0-Signed-off-by: Robert Sipka rsipka.uszeged@partner.samsung.com

Author: robertsipka

cmake/toolchain_afl_i686.cmake

@@ -12,9 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-set(CMAKE_SYSTEM_NAME Linux)
-set(CMAKE_SYSTEM_PROCESSOR armv7l-el)
-
 set(CMAKE_C_COMPILER arm-linux-gnueabi-gcc)
 
 set(FLAGS_COMMON_ARCH -mlittle-endian -mthumb)

cmake/toolchain_afl_x86_64.cmake

@@ -12,9 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-set(CMAKE_SYSTEM_NAME Linux)
-set(CMAKE_SYSTEM_PROCESSOR armv7l)
-
 set(CMAKE_C_COMPILER arm-linux-gnueabihf-gcc)
 #
 # Limit fpu to VFPv3 with d0-d15 registers