Merge pull request #14527 from LDong-Arm/nfc_example_target

Tests: use only NUCLEO_F401RE for the NFC examples

Author: 0xc0170

tools/test/examples/examples.json

@@ -307,7 +307,7 @@
             "NFC_SmartPoster"
         ],
         "features" : [],
-        "targets" : ["NUCLEO_F401RE", "DISCO_L475VG_IOT01A"],
+        "targets" : ["NUCLEO_F401RE"],
         "toolchains" : [],
         "exporters": [],
         "compile" : true,