(GH-1111) Clean up messaging for licensed edition

Some of the language in the marketing messages for licensed editions
can come across snarky or unprofessional. Convert the messaging to
sound more professional.

src/chocolatey/infrastructure.app/services/ChocolateyPackageService.cs

@@ -65,7 +65,7 @@ public class ChocolateyPackageService : IChocolateyPackageService
 @"
 Did you know the proceeds of Pro (and some proceeds from other 
  licensed editions) go into bettering the community infrastructure?
- Your support ensures an active community, it makes you look smarter,
+ Your support ensures an active community, keeps Chocolatey tip top,
  plus it nets you some awesome features! 
  https://chocolatey.org/compare", 
 @"
@@ -87,8 +87,7 @@ public class ChocolateyPackageService : IChocolateyPackageService
 @"
 Did you know Chocolatey goes to eleven? And it turns great developers /
  system admins into something amazing! Singlehandedly solve your 
- organization's struggles with software management and look uber cool 
- while doing so.
+ organization's struggles with software management and save the day!
  https://chocolatey.org/compare"
 };
         private const string PRO_BUSINESS_LIST_MESSAGE = @"