cmd/compile: fix doc word

"using" -> "uses"

Change-Id: I2bcefc6128dafd4fd05d7ce291b1afb28465a25c
GitHub-Last-Rev: bf9006e
GitHub-Pull-Request: #75548
Reviewed-on: https://go-review.googlesource.com/c/go/+/705515
Reviewed-by: Keith Randall <[email protected]>
Auto-Submit: Keith Randall <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Cherry Mui <[email protected]>
Reviewed-by: Keith Randall <[email protected]>

Author: willfaught

src/cmd/compile/README.md

@@ -57,7 +57,7 @@ terms of these, so the next step after type checking is to convert the syntax
 and types2 representations to ir and types. This process is referred to as
 "noding."
 
-Noding using a process called Unified IR, which builds a node representation
+Noding uses a process called Unified IR, which builds a node representation
 using a serialized version of the typechecked code from step 2.
 Unified IR is also involved in import/export of packages and inlining.