Update docs.json

Delete extra verbiage.

Author: Amanda Butler

docs.json

@@ -221,7 +221,7 @@
             "SEARCH_INCLUDES": "YES",
             "INCLUDE_PATH": "",
             "INCLUDE_FILE_PATTERNS": "",
-            "PREDEFINED": "DOXYGEN_ONLY DEVICE_ANALOGIN DEVICE_ANALOGOUT DEVICE_CAN DEVICE_ETHERNET DEVICE_EMAC DEVICE_FLASH  DEVICE_I2C DEVICE_I2CSLAVE DEVICE_I2C_ASYNCH DEVICE_INTERRUPTIN DEVICE_LOWPOWERTIMER DEVICE_PORTIN DEVICE_PORTINOUT DEVICE_PORTOUT DEVICE_PWMOUT DEVICE_RTC DEVICE_TRNG DEVICE_SERIAL DEVICE_SERIAL_ASYNCH DEVICE_SERIAL_FC DEVICE_SLEEP DEVICE_SPI DEVICE_SPI_ASYNCH DEVICE_SPISLAVE DEVICE_STORAGE \"MBED_DEPRECATED_SINCE(f, g)=\" \"MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, M)=\"",
+            "PREDEFINED": "DOXYGEN_ONLY DEVICE_ANALOGIN DEVICE_ANALOGOUT DEVICE_CAN DEVICE_ETHERNET DEVICE_EMAC DEVICE_FLASH  DEVICE_I2C DEVICE_I2CSLAVE DEVICE_I2C_ASYNCH DEVICE_INTERRUPTIN DEVICE_LOWPOWERTIMER DEVICE_PORTIN DEVICE_PORTINOUT DEVICE_PORTOUT DEVICE_PWMOUT DEVICE_RTC DEVICE_TRNG DEVICE_SERIAL DEVICE_SERIAL_ASYNCH DEVICE_SERIAL_FC DEVICE_SLEEP DEVICE_SPI DEVICE_SPI_ASYNCH DEVICE_SPISLAVE DEVICE_STORAGE",
             "SKIP_FUNCTION_MACROS": "NO",
             "EXCLUDE_PATTERNS": "*/tools/* */TESTS/* */targets/* */FEATURE_*/* */features/mbedtls/* */features/storage/* */features/unsupported/* */features/filesystem/* */BUILD/* */rtos/rtx*/* */cmsis/* */features/FEATURES_*"
         }