Removing unused CMake

hpvm/projects/hpvm-tensor-rt/CMakeLists_cpu.txt

-cmake_minimum_required (VERSION 2.6)
-project (approxhpvm-tensorRt-cpu)
-
-
-# Addresses a bug where code is not compiled as C++11 in non-CUDA code and older g++ versions
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 " )
- 
-
-# Adding new rule for building a cuDNN runtime library
-add_library(tensor_cpu_runtime tensor_runtime/src/tensor_cpu_runtime.cc)
-target_link_libraries(tensor_cpu_runtime)
-
-
-#**** CPU sources
-add_executable(fc2_cpu  dnn_sources/src/fc2_cpu.cc)
-target_link_libraries(fc2_cpu  tensor_cpu_runtime)
-
-
-