Remove ni-libraries libi2c and libspi.

ni-libraries/include/i2clib/i2c-lib.h

@@ -1,16 +0,0 @@
-#ifndef __I2C_LIB_H__
-#define __I2C_LIB_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-int i2clib_open(const char *device);
-void i2clib_close(int handle);
-int i2clib_read(int handle, uint8_t dev_addr, char *recv_buf, int32_t recv_size);
-int i2clib_write(int handle, uint8_t dev_addr, const char *send_buf, int32_t send_size);
-int i2clib_writeread(int handle, uint8_t dev_addr, const char *send_buf, int32_t send_size, char *recv_buf, int32_t recv_size);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __I2C_LIB_H__ */

ni-libraries/include/spilib/spi-lib.h

@@ -1,19 +0,0 @@
-#ifndef __SPI_LIB_H__
-#define __SPI_LIB_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-int spilib_open(const char *device);
-void spilib_close(int handle);
-int spilib_setspeed(int handle, uint32_t speed);
-int spilib_setbitsperword(int handle, uint8_t bpw);
-int spilib_setopts(int handle, int msb_first, int sample_on_trailing, int clk_idle_high);
-int spilib_read(int handle, char *recv_buf, int32_t size);
-int spilib_write(int handle, const char *send_buf, int32_t size);
-int spilib_writeread(int handle, const char *send_buf, char *recv_buf, int32_t size);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __SPI_LIB_H__ */