Revert "Fix functionality check for WFC APM and non APM"

This reverts commit c2f7e4e1fff41f70eda1ee8221990711ab2b2645.

Reason for revert: results in SyntaxError: invalid character in identifier

Change-Id: I0f8f35254026668885549722b63d6c50ab6ceb0b
diff --git a/acts_tests/tests/google/tel/live/TelLiveRebootStressTest.py b/acts_tests/tests/google/tel/live/TelLiveRebootStressTest.py
index 206ffa7..4d90bdb 100644
--- a/acts_tests/tests/google/tel/live/TelLiveRebootStressTest.py
+++ b/acts_tests/tests/google/tel/live/TelLiveRebootStressTest.py
@@ -648,32 +648,6 @@
         else:
             return True
 
-    def _check_capability(self, capability):
-        """ Verifies the Capabilities of the device before beginning
-              of the test.
-
-            Arguments:
-              capability: Function to be verified before beginning of the test.
-
-            Expected Results:
-              Verifies the capability.
-              Skips the test if not supported.
-
-            Returns:
-              None
-        """
-        func = getattr(self, capability)
-        try:
-            check_result = func()
-        except Exception as e:
-            self.dut.log.error("%s failed with %s", capability, e)
-            check_result = False
-        self.dut.log.info("%s is %s before tests start", capability,
-                          check_result)
-        if check_result:
-            self.default_testing_func_names.append(capability)
-        self.dut.log.info("To be tested: %s", self.default_testing_func_names)
-
     """ Tests Begin """
 
     @test_tracker_info(uuid="4d9b425b-f804-45f4-8f47-0ba3f01a426b")
@@ -832,7 +806,6 @@
         """
         if CAPABILITY_WFC not in self.dut_capabilities:
             raise signals.TestSkip("WFC is not supported")
-        self._check_capability("_check_wfc_apm")
         if "_check_wfc_apm" not in self.default_testing_func_names:
             raise signals.TestSkip("WFC in airplane mode is not supported")
         func_names = ["_check_data", "_check_wfc_enabled"]
@@ -864,7 +837,6 @@
         if CAPABILITY_WFC not in self.dut_capabilities and (
                 WFC_MODE_WIFI_PREFERRED not in self.dut_wfc_modes):
             raise signals.TestSkip("WFC_NONAPM is not supported")
-        self._check_capability("_check_wfc_nonapm")
         if "_check_wfc_nonapm" not in self.default_testing_func_names:
             raise signals.TestSkip("WFC in non-airplane mode is not working")
         func_names = ["_check_wfc_enabled"]