Revert "GCE: Allow nodes to exceed target pool maximums"

This reverts commit faf0c44429.

pkg/util/rand/rand_test.go

@@ -18,8 +18,6 @@ package rand
 
 import (
 	"math/rand"
-	"reflect"
-	"sort"
 	"strings"
 	"testing"
 )
@@ -78,17 +76,6 @@ func TestPerm(t *testing.T) {
 	}
 }
 
-func TestShuffle(t *testing.T) {
-	Seed(5) // Arbitrary RNG seed for deterministic testing.
-	have := []int{0, 1, 2, 3, 4}
-	want := []int{3, 2, 4, 1, 0} // "have" shuffled, with RNG at Seed(5).
-	got := append([]int{}, have...)
-	Shuffle(sort.IntSlice(got))
-	if !reflect.DeepEqual(got, want) {
-		t.Errorf("Shuffle(%v) => %v, want %v", have, got, want)
-	}
-}
-
 func TestIntnRange(t *testing.T) {
 	// 0 is invalid.
 	for min, max := range map[int]int{1: 2, 10: 123, 100: 500} {