GODRIVER-2154 Audit code generated by operationgen and remove operationgen (#809)

Author: benjirewis

.golangci.yml

@@ -60,12 +60,6 @@ issues:
       linters:
         - revive
         - errcheck
-    # Ignore some linters for generated operation code.
-    # TODO: Re-enable once GODRIVER-2154 is done.
-    - path: x/mongo/driver/operation/
-      linters:
-        - staticcheck
-        - ineffassign
     # Disable unused code linters for the copy/pasted "awsv4" package.
     - path: x/mongo/driver/auth/internal/awsv4
       linters:

cmd/operationgen/README.md

@@ -19,5 +19,5 @@ The `Operation` type handles executing a series of commands using a `Deployment`
 batch split write commands, such as insert. The type itself is heavily documented, so reading the
 code and comments together should provide an understanding of how the type works.
 
-This type is not meant to be used directly by callers. Instead an wrapping type should be defined
-using the IDL and an implementation generated using `operationgen`.
+This type is not meant to be used directly by callers. Instead a wrapping type should be defined
+using the IDL.