Do not generate not needed defattr.

Author: akurtakov

rpmstubby/org.eclipse.linuxtools.rpmstubby/src/org/eclipse/linuxtools/rpmstubby/StubbyGenerator.java

@@ -129,7 +129,6 @@ public String generateSpecfile() {
 
 	private void generateFilesSections(StringBuilder buffer) {
 		buffer.append("%files\n");
-		buffer.append("%defattr(-,root,root,-)\n");
 		buffer.append("%{install_loc}\n");
 		for (String fileName : mainPackage.getDocFiles()) {
 			buffer.append("%doc ").append(mainPackage.getDocFilesRoot())