fix(internal/kokoro): remove install of staticcheck
This is already in the image. Unblocks
@@ -30,8 +30,7 @@ fi
go install \
github.com/golang/protobuf/protoc-gen-go \
golang.org/x/lint/golint \
- golang.org/x/tools/cmd/goimports \
- honnef.co/go/tools/cmd/staticcheck
+ golang.org/x/tools/cmd/goimports
# Fail if a dependency was added without the necessary go.mod/go.sum change
# being part of the commit.
