fix broken sdist (#219)

* fix broken sdist

* Removed unused imports from setup.py

.gitmodules

@@ -2,6 +2,3 @@
 	path = glm
 	url = https://github.com/Zuzu-Typ/glm
 	branch = PyGLM
-[submodule "pyglm-typing"]
-	path = pyglm-typing
-	url = https://github.com/esoma/pyglm-typing

setup.py

@@ -14,7 +14,7 @@
 from codecs import open
 from os import path
 
-import re, os, shutil
+import re
 
 module1 = Extension('glm',
                     sources = ['PyGLM.cpp'], include_dirs=["glm/"], extra_compile_args=['-std=c++11'])
@@ -29,16 +29,6 @@
     long_description = f.read()
     long_description = long_description.replace("\r", "")
 
-# Update glm-stubs
-shutil.copy2("pyglm-typing/src/glm_typing/__init__.py", "glm-stubs/glm_typing.py")
-shutil.copy2("pyglm-typing/src/glm-stubs/__init__.py", "glm-stubs")
-with open(path.join(here, "pyglm-typing/src/glm-stubs/__init__.pyi"), encoding="utf-8") as f:
-    typing_data = f.read()
-
-    out_file = open(path.join(here, "glm-stubs/__init__.pyi"), "w", encoding="utf-8")
-    out_file.write(typing_data.replace("import glm_typing", "from . import glm_typing"))
-    out_file.close()
-
 
 setup(
     name='PyGLM',