Create a WordPress Template

I have a website [login to view URL] It is a wordpress site. I put a plugin on it called W3 Total Cache. The plugin caused problems with another plugin Jetpack. I deleted the W3 Total Cache plugin but the code for the cache plugin is still in my config file on Cpanel. Jetpack says there should be no white space in the config file, so I think the code about W3 Total Cache and the line after it should be removed. I also wonder about the next section of coding, (/** CloudTech (Remove These Lines). I don't know much about this so I am afraid to make these changes myself. I would like someone who knows what they are doing, to do this for me. Here is the first section of coding from the config file: