[wip/jrl-dynamics-urdf] Remove dandling files

Delete leftover files after commit:1fb3b157

jrl-dynamics-urdf/patches/patch-ab

-Add missing roscpp dependency (needed at this level for xmlrcpp)
-
---- tests/CMakeLists.txt.orig	2014-10-09 07:49:21.080796000 +0200
-+++ tests/CMakeLists.txt	2014-10-09 08:05:09.825506000 +0200
-@@ -23,4 +23,5 @@
- ADD_EXECUTABLE(one_dof_revolute_x one_dof_revolute_x.cpp)
- PKG_CONFIG_USE_DEPENDENCY(one_dof_revolute_x jrl-mal)
- PKG_CONFIG_USE_DEPENDENCY(one_dof_revolute_x urdfdom_headers)
-+PKG_CONFIG_USE_DEPENDENCY(one_dof_revolute_x roscpp)
- TARGET_LINK_LIBRARIES(one_dof_revolute_x jrl-dynamics-urdf)

jrl-dynamics-urdf/patches/patch-ac

-Use cmake's idea of the "make" program, so that it can be tuned by robotpkg
-https://github.com/jrl-umi3218/jrl-cmakemodules/issues/34
-
---- cmake/doxygen.cmake.orig	2014-10-09 08:10:58.628860000 +0200
-+++ cmake/doxygen.cmake	2014-10-09 08:11:14.727096000 +0200
-@@ -66,7 +66,7 @@
-       COMMENT "Generating Doxygen documentation"
-       )
- 
--    INSTALL(CODE "EXECUTE_PROCESS(COMMAND ${MAKE} doc)")
-+    INSTALL(CODE "EXECUTE_PROCESS(COMMAND ${CMAKE_MAKE_PROGRAM} doc)")
-   ENDIF(MSVC)
- 
-   ADD_CUSTOM_COMMAND(