do not add the Pmodules bin directory to PATH

Pmodules/bash

@@ -35,8 +35,6 @@ unset MODULE_VERSION_STACK
 unset MODULESHOME
 unset PMODULES_ENV
 
-PATH="${PMODULES_HOME}/bin:$PATH"
-
 #############################################################################
 # implement module comand as shell function
 #

Pmodules/csh

@@ -47,4 +47,3 @@ if (! $?LOADEDMODULES ) then
   setenv LOADEDMODULES ""
 endif
 
-setenv PATH "${PMODULES_HOME}/bin:${PATH}"

Pmodules/zsh

@@ -89,10 +89,6 @@ unset PMODULES_DEFAULT_RELEASES
 unset PMODULES_DEFAULT_GROUPS
 unset PMODULES_DEFINED_RELEASES
 
-# setup PATH
-dirs_to_remove="${PMODULES_HOME%/*}/*"
-path=( ${(m)path:#${dirs_to_remove}} "${PMODULES_HOME}/bin" )
-
 # initialize MANPATH with output of `man --path` if not set
 [[ -z "${MANPATH}" ]] && manpath=$( man --path )