Remove do-nothing CMAKE_MODULE_PATH (TriBITSPub#156)

Setting this does nothing and therefore should be removed.

However, it is not clear why FindTPLPnetcdf.cmake is even part of the PR since
it does not impact SEACAS in any way.

tribits/common_tpls/FindTPLPnetcdf.cmake

@@ -37,12 +37,6 @@
 # ************************************************************************
 # @HEADER
 
-SET(CMAKE_MODULE_PATH
-  "${CMAKE_MODULE_PATH}"
-  "${CMAKE_CURRENT_LIST_DIR}/find_modules"
-  "${CMAKE_CURRENT_LIST_DIR}/utils"
-   )
-
 TRIBITS_TPL_FIND_INCLUDE_DIRS_AND_LIBRARIES( Pnetcdf
   REQUIRED_HEADERS pnetcdf.h
   REQUIRED_LIBS_NAMES pnetcdf