git config longpaths for all users

Author: lemeurherveCB

windows/nanoserver/Dockerfile

@@ -113,7 +113,6 @@ RUN New-Item -Type Directory $('{0}/.jenkins' -f $env:AGENT_ROOT) | Out-Null ; `
     New-Item -Type Directory $env:AGENT_WORKDIR | Out-Null
 
 RUN git config --global core.longpaths true ; `
-    git config --system core.longpaths true ; `
     Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name LongPathsEnabled -type DWord -Value 1
 
 VOLUME "${AGENT_ROOT}"/.jenkins