unicode: Remove B7 unicode character from examples

The 00B7 unicode character in 4 of the Java examples can cause warnings
(and possible errors) when compiling.  Removed to minimize this risk.

Signed-off-by: Noel Eck <noel.eck@intel.com>

examples/java/ADC121C021Sample.java

@@ -31,7 +31,7 @@ public class ADC121C021Sample {
 		upm_adc121c021.ADC121C021 adc = new upm_adc121c021.ADC121C021(0);
 
 		// An analog sensor, such as a Grove light sensor,
-		// must be attached to the adc·
+		// must be attached to the adc
 		// Prints the value and corresponding voltage every 50 milliseconds
 		while (true) {
 			int val = adc.value();
@@ -43,4 +43,4 @@ public class ADC121C021Sample {
 		// ! [Interesting]
 	}
 
-}
+}

examples/java/HMTRPSample.java

@@ -59,7 +59,7 @@ public class HMTRPSample {
 		// device, and periodically transmit "Hello World".
 
 		// If any argument was specified on the command line, do a simple
-		// configuration query and output the results. The radio must be in·
+		// configuration query and output the results. The radio must be in
 		// CONFIG mode for this to work.
 
 		if (args.length > 0) {

examples/java/LSM303DLHSample.java

@@ -32,7 +32,7 @@ public class LSM303DLHSample {
 
 		// Get the coordinate data
 		sensor.getCoordinates();
-		short[] coor = sensor.getRawCoorData(); // in XYZ order.·
+		short[] coor = sensor.getRawCoorData(); // in XYZ order.
 		// The sensor returns XZY, but the driver compensates and makes it XYZ
 
 		// Print out the X, Y, and Z coordinate data using two different methods

examples/java/MQ303ASample.java

@@ -27,9 +27,9 @@ public class MQ303ASample {
 	public static void main(String[] args) throws InterruptedException {
 		// Instantiate an mq303a sensor on analog pin A0
 
-		// This device uses a heater powered from an analog I/O pin.·
+		// This device uses a heater powered from an analog I/O pin.
 		// If using A0 as the data pin, then you need to use A1, as the heater
-		// pin (if using a grove mq303a). For A1, we can use the D15 gpio,·
+		// pin (if using a grove mq303a). For A1, we can use the D15 gpio,
 		// setup as an output, and drive it low to power the heater.
 		upm_mq303a.MQ303A mq303a = new upm_mq303a.MQ303A(1, 15);
 
@@ -50,4 +50,4 @@ public class MQ303ASample {
 		System.out.println("Exiting");
 	}
 
-}
+}