add /unittest/*_test to gitignore

.gitignore

@@ -98,13 +98,8 @@ kernel*.bin
 /unittest/*.trs
 
 # test programs
-/unittest/apiexample_test
-/unittest/intsimdmatrix_test
-/unittest/matrix_test
-/unittest/osd_test
+/unittest/*_test
 /unittest/tesseracttests
-/unittest/progress_test
-/unittest/loadlang_test
 
 # generated files from unlvtests
 times.txt