Removed the two non-existant timers from the C21E that were recently added

Author: mattairtech

variants/MT_D21E_revB/variant.cpp

@@ -171,10 +171,8 @@ const PinDescription g_APinDescription[]=
 
 #if (SAMD)
 const void* g_apTCInstances[TCC_INST_NUM+TC_INST_NUM]={ TCC0, TCC1, TCC2, TC3, TC4, TC5 } ;
-#elif (SAML21)
+#else
 const void* g_apTCInstances[TCC_INST_NUM+TC_INST_NUM]={ TCC0, TCC1, TCC2, TC0, TC1, TC4 } ;
-#elif (SAMC21)
-const void* g_apTCInstances[TCC_INST_NUM+TC_INST_NUM]={ TCC0, TCC1, TCC2, TC0, TC1, TC2, TC3, TC4 } ;
 #endif
 
 // Multi-serial objects instantiation