Remove `_test.odin` filter

src/build_settings.cpp

@@ -968,14 +968,6 @@ gb_internal bool is_excluded_target_filename(String name) {
 		return true;
 	}
 
-	if (build_context.command_kind != Command_test) {
-		String test_suffix = str_lit("_test");
-		if (string_ends_with(name, test_suffix) && name != test_suffix) {
-			// Ignore *_test.odin files
-			return true;
-		}
-	}
-
 	String str1 = {};
 	String str2 = {};
 	isize n = 0;