#1360 always use the command specified in plugin.xml (that should be rm)

Author: jantje

io.sloeber.core/src/io/sloeber/core/toolchain/ArduinoGnuMakefileGenerator.java

@@ -1075,10 +1075,7 @@ private StringBuffer addMacros() {
 		} catch (BuildMacroException e) {
 			//jaba is not going to write this code
 		}
-		// JABA use del in windows and rm on all other oses
-        if (Common.isWindows) {
-			cleanCommand = "-del ";
-		}
+
 		buffer.append(cleanCommand).append( NEWLINE);
 		buffer.append(NEWLINE);
 		// Now add the source providers