reword feature request template to not involve brownie (oops)

.github/ISSUE_TEMPLATE/feature.md

@@ -6,12 +6,9 @@ about: Request a new feature, or an improvement to existing functionality.
 Provide a simple overview of what you wish to see added. Please include:
 
 * What you are trying to do
-* Why Brownie's current functionality is inadequate to address your goal
+* Why solcx's current functionality is inadequate to address your goal
 
 ### Specification
 Describe the syntax and semantics of how you would like to see this feature implemented. The more detailed the better!
 
 Remember, your feature is much more likely to be included if it does not involve any breaking changes.
-
-### Dependencies
-Include links to any open issues that must be resolved before this feature can be implemented.