Revert "webapp: calculate project uptime based on "status->>time""
Revert "webapp: calculate project uptime based on "status->>time""

This reverts commit 54e02f1b6b42a9beb6182714371baac1a9ec8063.

sagemathinc/smc,sagemathinc/smc,DrXyzzy/smc,tscholl2/smc,tscholl2/smc,tscholl2/smc,sagemathinc/smc,tscholl2/smc,tscholl2/smc,DrXyzzy/smc,sagemathinc/smc,DrXyzzy/smc,DrXyzzy/smc