Remove support for tbb@2020_u3 fork

Testing gazebosim/gazebo-classic#3146

Signed-off-by: Steve Peters <scpeters@openrobotics.org>

jenkins-scripts/lib/project-default-devel-homebrew-amd64.bash

@@ -128,12 +128,6 @@ fi
 if brew ruby -e "exit ! '${PROJECT_FORMULA}'.f.recursive_dependencies.map(&:name).keep_if { |d| d == 'cmake@3.21.4' }.empty?"; then
   export PATH=/usr/local/opt/cmake@3.21.4/bin:${PATH}
 fi
-# Workaround for tbb@2020_u3: set CPATH, LIBRARY_PATH, and CMAKE_PREFIX_PATH
-if brew ruby -e "exit ! '${PROJECT_FORMULA}'.f.recursive_dependencies.map(&:name).keep_if { |d| d == 'tbb@2020_u3' }.empty?"; then
-  export CMAKE_PREFIX_PATH=${CMAKE_PREFIX_PATH}:/usr/local/opt/tbb@2020_u3
-  export CPATH=${CPATH}:/usr/local/opt/tbb@2020_u3/include
-  export LIBRARY_PATH=${LIBRARY_PATH}:/usr/local/opt/tbb@2020_u3/lib
-fi
 # Workaround for tinyxml2 6.2.0: set CMAKE_PREFIX_PATH and PKG_CONFIG_PATH if we are using tinyxml2@6.2.0
 if brew ruby -e "exit ! '${PROJECT_FORMULA}'.f.recursive_dependencies.map(&:name).keep_if { |d| d == 'tinyxml2@6.2.0' }.empty?"; then
   export CMAKE_PREFIX_PATH=${CMAKE_PREFIX_PATH}:/usr/local/opt/tinyxml2@6.2.0