Git for windows added

Initial creationg of Git using Chem xml file, very similar to maths

packages/git.xml

@@ -10,11 +10,6 @@
 <upgrade include='remove' />
 <upgrade include='install' />
 
-<!-- hopefully one or the other of these will work. If not, dunno what to do! -->
-<remove cmd='"%programfileswpkg%\git\unins000.exe" /verysilent /suppressmsgboxes /sp-'>
-  <exit code="-1"/>
-</remove>
-
 <remove cmd='"%programfiles%\git\unins000.exe" /verysilent /suppressmsgboxes /sp-'>
   <exit code="-1"/>
 </remove>