build: Remove unused global environment variables

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>

Sconstruct

@@ -12,12 +12,8 @@ if CONFIG_DEBUG == True:
 	CONFIG_CCFLAGS = [ "-Wall", "-Werror", "-g", "-DCONFIG_DEBUG" ]
 
 class OEnvironment(Environment):
-	Debug    = False
-	Version  = 0
-
 	def __init__(self, CCFLAGS = CONFIG_CCFLAGS):
 		Environment.__init__(self, CCFLAGS = CCFLAGS)
-		self.Append(ENV = os.environ)
 		self.Append(CPPPATH = os.path.abspath("include"))
 		self.Append(CXXCOMSTR = "C++ $TARGET")
 		self.Append(LINKCOMSTR = "Linking $TARGET")

tests/Sconscript

@@ -2,8 +2,6 @@
 import sys, os
 Import("test_env")
 
-test_env.DEBUG = True
-
 res = []
 
 def all_tests_enabled(dir):