samples: fix to reflect changes in i2c library

samples/bh1750fvi.go

@@ -9,10 +9,7 @@ import (
 )
 
 func main() {
-	bus, err := i2c.NewBus(1)
+	bus := i2c.NewBus(1)
-	if err != nil {
-		log.Panic(err)
-	}
 
 	sensor := bh1750fvi.New(bh1750fvi.High, bus)
 	defer sensor.Close()

samples/bmp085.go

@@ -9,10 +9,8 @@ import (
 )
 
 func main() {
-	bus, err := i2c.NewBus(1)
+	bus := i2c.NewBus(1)
-	if err != nil {
+
-		log.Panic(err)
-	}
 	baro := bmp085.New(bus)
 	defer baro.Close()
 

samples/bmp180.go

@@ -9,10 +9,8 @@ import (
 )
 
 func main() {
-	bus, err := i2c.NewBus(1)
+	bus := i2c.NewBus(1)
-	if err != nil {
+
-		log.Panic(err)
-	}
 	baro := bmp180.New(bus)
 	defer baro.Close()
 

samples/l3gd20.go

@@ -11,10 +11,8 @@ import (
 )
 
 func main() {
-	bus, err := i2c.NewBus(1)
+	bus := i2c.NewBus(1)
-	if err != nil {
+
-		log.Panic(err)
-	}
 	gyro := l3gd20.New(bus, l3gd20.R250DPS)
 	gyro.Debug = true
 	defer gyro.Close()

samples/lsm303.go

@@ -9,10 +9,8 @@ import (
 )
 
 func main() {
-	bus, err := i2c.NewBus(1)
+	bus := i2c.NewBus(1)
-	if err != nil {
+
-		log.Panic(err)
-	}
 	mems := lsm303.New(bus)
 	defer mems.Close()
 

samples/mcp4725.go

@@ -11,10 +11,7 @@ import (
 )
 
 func main() {
-	bus, err := i2c.NewBus(1)
+	bus := i2c.NewBus(1)
-	if err != nil {
-		log.Panic(err)
-	}
 
 	dac := mcp4725.New(bus, 0x62)
 	defer dac.Close()

samples/pca9685.go

@@ -11,10 +11,7 @@ import (
 )
 
 func main() {
-	bus, err := i2c.NewBus(1)
+	bus := i2c.NewBus(1)
-	if err != nil {
-		log.Panic(err)
-	}
 
 	pca9685 := pca9685.New(bus, 0x41, 1000)
 	pca9685.Debug = true

samples/servo.go

@@ -12,10 +12,7 @@ import (
 )
 
 func main() {
-	bus, err := i2c.NewBus(1)
+	bus := i2c.NewBus(1)
-	if err != nil {
-		log.Panic(err)
-	}
 
 	pwm := pca9685.New(bus, 0x41, 50)
 	pwm.Debug = true

samples/tmp006.go

@@ -10,10 +10,7 @@ import (
 )
 
 func main() {
-	bus, err := i2c.NewBus(1)
+	bus := i2c.NewBus(1)
-	if err != nil {
-		log.Panic(err)
-	}
 
 	sensor := tmp006.New(bus, 0x40)
 	if status, err := sensor.Present(); err != nil || !status {