vdrift: remove glibc-2.26 assert workaround

srcpkgs/vdrift/patches/glibc-2.26-assert.patch

@@ -1,40 +0,0 @@
---- src/bezier.cpp.orig	2014-08-11 18:08:01.000000000 +0000
-+++ src/bezier.cpp	2017-09-22 19:42:14.914232067 +0000
-@@ -463,7 +463,7 @@
- 
- void Bezier::ReadFrom(std::istream &openfile)
- {
--	assert(openfile);
-+	assert(static_cast<bool>(openfile));
- 
- 	for (int x = 0; x < 4; x++)
- 	{
-@@ -480,7 +480,7 @@
- 
- void Bezier::ReadFromYZX(std::istream &openfile)
- {
--	assert(openfile);
-+	assert(static_cast<bool>(openfile));
- 	for (int x = 0; x < 4; x++)
- 	{
- 		for (int y = 0; y < 4; y++)
-@@ -494,7 +494,7 @@
- 
- void Bezier::WriteTo(std::ostream &openfile) const
- {
--	assert(openfile);
-+	assert(static_cast<bool>(openfile));
- 
- 	for (int x = 0; x < 4; x++)
- 	{
---- src/roadstrip.cpp.orig	2014-08-01 06:18:06.000000000 +0000
-+++ src/roadstrip.cpp	2017-09-22 19:44:11.794238097 +0000
-@@ -31,7 +31,7 @@
- 	bool reverse,
- 	std::ostream & error_output)
- {
--	assert(openfile);
-+	assert(static_cast<bool>(openfile));
- 
- 	int num = 0;
- 	openfile >> num;