cleanup test and main.c

Author: mehrdadh

apps/microtvm/zephyr/template_project/src/aot_demo/main.c

@@ -171,8 +171,6 @@ void main(void) {
   memset((char*)cmd_buf, 0, sizeof(cmd_buf));
   TVMPlatformUARTInit();
   k_timer_init(&g_microtvm_timer, NULL, NULL);
-  // Required for QEMU test.
-  TVMLogf("Zephyr AOT Runtime\n");
 
   // Wait for start command
   while (true) {
@@ -190,7 +188,7 @@ void main(void) {
       }
     }
   }
-  TVMLogf("AOT Demo Running...\n");
+  TVMLogf("Zephyr AOT Runtime\n");
 
   struct tvmgen_default_inputs inputs = {
       .input_1 = input_data,

tests/micro/zephyr/test_zephyr_aot.py

@@ -15,8 +15,6 @@
 # specific language governing permissions and limitations
 # under the License.
 
-import datetime
-from hashlib import new
 import io
 import logging
 import os
@@ -214,7 +212,6 @@ def test_tflite(temp_dir, platform, west_cmd, skip_build, tvm_debug):
     project.flash()
     with project.transport() as transport:
         transport.write(b"start\n", timeout_sec=5)
-
         result_line = _get_message(transport, "#result", timeout_sec=60)
 
     result_line = result_line.strip("\n")