uninstall spfeature

Uninstall-SPFeature [-Identity] -force

Get SP2010 feature name from feature ID

get-spfeature GUID

Increase size of SP template

To increase the maximum size, simply run the following stsadm command (from the C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN directory) replacing the propertyvalue to the new maximum size (in bytes):

stsadm -o setproperty -propertyname max-template-document-size -propertyvalue 150000000