remove vestigial bits of code now that ODE extension has been removed (#10)

Author: mamoll

CMakeLists.txt

@@ -269,9 +269,6 @@ if(OPENGL_FOUND AND NOT MSVC)
     set(PKG_NAME "ompl")
     set(PKG_DESC "The Open Motion Planning Library")
     set(PKG_EXTERNAL_DEPS "eigen3 ${ompl_PKG_DEPS}")
-    if(OMPL_EXTENSION_ODE)
-        set(PKG_EXTERNAL_DEPS "${PKG_EXTERNAL_DEPS}")
-    endif()
     set(PKG_OMPL_LIBS "-lompl -lompl_app_base -lompl_app ${ompl_LINK_FLAGS}")
     configure_file("${CMAKE_CURRENT_SOURCE_DIR}/ompl/CMakeModules/ompl.pc.in"
                    "${CMAKE_CURRENT_BINARY_DIR}/ompl.pc" @ONLY)

CMakeModules/FindDrawstuff.cmake

@@ -23,7 +23,6 @@ The following dependencies are optional:
 * [PyQt](https://www.riverbankcomputing.co.uk/software/pyqt/download5) (for GUI)
 * [PyOpenGL](https://pyopengl.sourceforge.net/) (for GUI)
 * [Py++](https://github.com/ompl/ompl/blob/main/doc/markdown/installPyPlusPlus.md) (needed to generate Python bindings)
-* [ODE](http://ode.org) (needed to compile support for planning using the Open Dynamics Engine)
 * [Doxygen](http://www.doxygen.org) (needed to create a local copy of the documentation at
   https://ompl.kavrakilab.org)