fix CMake

Author: ThomasNing

example/ck_tile/38_block_scale_gemm/CMakeLists.txt

@@ -8,9 +8,6 @@ list(APPEND EXAMPLE_GEMM_COMPILE_OPTIONS -mllvm -enable-noalias-to-md-conversion
 if(GPU_TARGETS MATCHES "gfx94" OR GPU_TARGETS MATCHES "gfx95")
     add_executable(tile_example_gemm_quant_basic EXCLUDE_FROM_ALL gemm_quant_basic.cpp)
     target_compile_options(tile_example_gemm_quant_basic PRIVATE ${EXAMPLE_GEMM_COMPILE_OPTIONS})
-    
-    add_executable(tile_example_gemm_quant_2d_block EXCLUDE_FROM_ALL gemm_quant_2d_block.cpp)
-    target_compile_options(tile_example_gemm_quant_2d_block PRIVATE ${EXAMPLE_GEMM_COMPILE_OPTIONS})
 else()
     message(DEBUG "Skipping ck_tile quant gemm tests for current target")
 endif()