Need to remove older tensorflow controller related files from repo

[deepak-muley]

In order to keep the controller folder consistent across all frameworks, only "frameworkjob_controller.go", "framework.go" and "suit_test.go" are the used files.
tf-operator/pkg/controller.v1/tensorflow has files from previous controller code which needs to be removed.

[gaocegege]

SGTM

[deepak-muley]

@thunderboltsid is interested in working on this as his first issue. we can take it up in the next release as we are close to this release. @Jeffwan

[Jeffwan]

/assign @thunderboltsid

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[Jeffwan]

@thunderboltsid please type /assign if you want to pick it up

[thunderboltsid]

/assign

[deepak-muley]

we should also remove cmd/tf-operator.v1 as we already have cmd/training-operator.v1 folder

[thunderboltsid]

@Jeffwan @deepak-muley can we close this issue now? or is there something more that needs to be done?

[Jeffwan]

@thunderboltsid I think so. Thanks for the contribution