[Fix] Performance impact with Get-WmiObject -Class Win32_Product in Chocolatey(Un)Install.ps1

[dtgm]

https://groups.google.com/forum/#!topic/chocolatey/aQAAh21a6uM

Guilty packages in this repo:

$ grep -il "get-wmiobject -class" */tools/chocolateyUninstall.ps1 | cut -d'/' -f1

dupeguru
dupeguru-me
dupeguru-pe
fv
meld
openproj
pan
pdfedit
projectlibre.install (never pushed)
projectlibre.portable (never pushed)
projectlibre
zimbra-desktop

Guilty packages on chocolatey.org (others' repo):

agentransack.7.0.828
Brackets.1.1
calibre.2.20.0
cdburnerxp.4.5.4.5306
citrix-sharefile-sync.3.2
evince.2.32.0.145
GoogleChrome.40.0.2214.115
google-chrome-x64.40.0.2214.115
HighTailExpress.2.14.1.20121122
jitsi.2.6.5390
libreoffice.4.4.0
libreoffice-oldstable.4.2.8
pulseway.4.7.0
pulseway-dashboard.4.7.0
python.3.4.2
python2.2.7.9
python2-x86_32.2.7.9
python3.3.4.2
python3-x86_32.3.4.2
python-x86_32.3.4.2
rakudostar.2014.12.1
rvtools.3.6.4
seafile-client.4.0.7.1
smartftp.6.0.2124.0
snaplr.0.1
tightvnc.2.7.10.20140503
time.txt.install.2.2.1
VisualStudio2013ExpressWeb.12.0.21005.20131226
VisualStudio2013Premium.12.0.21005.20141031
VisualStudio2013Professional.12.0.21005.20141031
VisualStudio2013Ultimate.12.0.21005.20141031
VisualStudio2013UltimateUpdate2.1.0.0.5
VisualStudio2015Ultimate.14.0.22310-preview
VS2013Agents.1.5.4
wireedit.0.11.430
zabbix-agent.2.2.1