Removed depreciated build code related to pyqtgraph

Makefile.in

@@ -10,7 +10,6 @@ export INSTALL_OPTIONS=@INSTALL_OPTIONS@
 export PLATFORM=@PLATFORM@
 export BUILD_MAGIC=@BUILD_MAGIC@
 export BUILD_FUZZY=@BUILD_FUZZY@
-export BUILD_PYQTGRAPH=@BUILD_PYQTGRAPH@
 export PYLIBDIR="./binwalk/libs"
 
 BUILD_C_LIBS=@BUILD_C_LIBS@

setup.py

@@ -144,14 +144,6 @@ def run(self):
 for data_dir in data_dirs:
     install_data_files.append("%s%s*" % (data_dir, os.path.sep))
 
-if os.getenv("BUILD_PYQTGRAPH") == "yes":
-    install_data_files.append(os.path.join("libs", "pyqtgraph", "*.py"))
-
-    for (root, dirs, files) in os.walk(os.path.join(MODULE_NAME, "libs", "pyqtgraph")):
-        if dirs:
-            for directory in dirs:
-                install_data_files.append(os.path.join(os.path.sep.join(root.split(os.path.sep)[1:]), os.path.join(directory, "*.py")))
-
 # Install the module, script, and support files
 setup(name = MODULE_NAME,
       version = "2.1.0",

src/binwalk/__init__.py

@@ -3,11 +3,6 @@
 import sys
 import binwalk.core.common
 
-# This allows importing of the built-in pyqtgraph if it
-# is not available on the system at run time.
-# No longer needed, as pyqtgraph is no longer bundled with binwalk.
-sys.path.append(binwalk.core.common.get_libs_path())
-
 from binwalk.core.module import Modules, ModuleException
 
 # Convenience functions