Change "how will this" to just "will this"

"how will this" comes across as though *every* RFC is about making code
easier to maintain. Some RFCs may just be maintenance-neutral.

Author: joshtriplett

0000-template.md

@@ -23,7 +23,7 @@ Explain the proposal as if it was already included in the language and you were
 - Explaining how Rust programmers should *think* about the feature, and how it should impact the way they use Rust. It should explain the impact as concretely as possible.
 - If applicable, provide sample error messages, deprecation warnings, or migration guidance.
 - If applicable, describe the differences between teaching this to existing Rust programmers and new Rust programmers.
-- Discuss how this impacts the ability to read, understand, and maintain Rust code. Code is read and modified far more often than written; how will the proposed feature make code easier to maintain?
+- Discuss how this impacts the ability to read, understand, and maintain Rust code. Code is read and modified far more often than written; will the proposed feature make code easier to maintain?
 
 For implementation-oriented RFCs (e.g. for compiler internals), this section should focus on how compiler contributors should think about the change, and give examples of its concrete impact. For policy RFCs, this section should provide an example-driven introduction to the policy, and explain its impact in concrete terms.