Remove extra logs (#20)

**What this PR does / why we need it**:

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(,
fixes #<issue_number>, ...)` format, will close the issue(s) when PR
gets merged)*:
Fixes #

**Please check the following list**:
- [ ] Does the affected code have corresponding tests, e.g. unit test,
E2E test?
- [ ]  Does this change require a documentation update?
- [ ] Does this introduce breaking changes that would require an
announcement or bumping the major version?
- [ ]  Do all new files have an appropriate license header?

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Author: dines-rl

pkg/snapshot/overlay.go

@@ -283,7 +283,6 @@ func NewSnapshotter(bootConfig *BootConfig, opts ...Opt) (snapshots.Snapshotter,
 
 // Stat returns the info for an active or committed snapshot by the key.
 func (o *snapshotter) Stat(ctx context.Context, key string) (_ snapshots.Info, retErr error) {
-	log.G(ctx).Infof("Stat (key: %s)", key)
 	start := time.Now()
 	defer func() {
 		if retErr != nil {
@@ -338,7 +337,6 @@ func (o *snapshotter) Update(ctx context.Context, info snapshots.Info, fieldpath
 
 // Usage returns the resources taken by the snapshot identified by key.
 func (o *snapshotter) Usage(ctx context.Context, key string) (_ snapshots.Usage, retErr error) {
-	log.G(ctx).Infof("Usage (key: %s)", key)
 	start := time.Now()
 	defer func() {
 		if retErr != nil {