cpu/lm4f120: drop useless periph timer guards

cpu/lm4f120/periph/spi.c

@@ -27,8 +27,6 @@
 #define ENABLE_DEBUG (0)
 #include "debug.h"
 
-#ifdef SPI_NUMOF
-
 /**
  * @brief Array holding one pre-initialized mutex for each SPI device
  */
@@ -137,5 +135,3 @@ void spi_transfer_bytes(spi_t bus, spi_cs_t cs, bool cont,
         gpio_set((gpio_t)cs);
     }
 }
-
-#endif /* SPI_NUMOF */

cpu/lm4f120/periph/timer.c

@@ -29,9 +29,6 @@
 #define ENABLE_DEBUG (0)
 #include "debug.h"
 
-/* guard file in case no timers are defined */
-#if TIMER_NUMOF
-
 /**
  * @brief Struct holding the configuration data
  * @{
@@ -344,6 +341,4 @@ void isr_wtimer1a(void)
     cortexm_isr_end();
 }
 #endif /* TIMER_1_EN */
-
-#endif /* TIMER_NUMOF */
 /** @} */