Yes, you can delete the files in the folder. It helps speed up the searching process, but you are welcome to delete the files, although they are generally very small.
System Manufacturer/Model Number Dell and Custom OS Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer CPU System 1: i7 2600@3.4GHz, System 2: AMD FX-4100 Zambezi 3.6G Motherboard System 1:Dell 06NWYK System 2: ASUS M5A97 AM3+ Memory System 1: 8GB System 2: 8GB Graphics Card System 1: ATI FirePro V4800 System 2: Radeon HD 6850 Sound Card System 1: onboard System 2: onboard Monitor(s) Displays System1: Viewsonic HDMI 24" Screen Resolution System 1: 1920x1080 System 2: 1920x1080
Case System 1: Dell System 2: Cooler Master Hard Drives System 1: Mirrored .5B drives System 2: Seagate Barracuda ST1000DM003 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s Internet Speed 10 MBPS
System Manufacturer/Model Number Dell and Custom OS Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer CPU System 1: i7 2600@3.4GHz, System 2: AMD FX-4100 Zambezi 3.6G Motherboard System 1:Dell 06NWYK System 2: ASUS M5A97 AM3+ Memory System 1: 8GB System 2: 8GB Graphics Card System 1: ATI FirePro V4800 System 2: Radeon HD 6850 Sound Card System 1: onboard System 2: onboard Monitor(s) Displays System1: Viewsonic HDMI 24" Screen Resolution System 1: 1920x1080 System 2: 1920x1080
Case System 1: Dell System 2: Cooler Master Hard Drives System 1: Mirrored .5B drives System 2: Seagate Barracuda ST1000DM003 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s Internet Speed 10 MBPS