Removes travis & codecov configuration

[dharmit]

What type of PR is this?
/kind cleanup

What does this PR do / why we need it:
odo doesn't use travis any more.

Which issue(s) this PR fixes:

Fixes: None

PR acceptance criteria:

• Unit test

• Integration test

• Documentation

• I have read the test guidelines

How to test changes / Special notes to the reviewer:
Test should pass.

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dharmit

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• OWNERS [dharmit]

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[anandrkskd]

LGTM

[prietyc123]

/lgtm

[dharmit]

@prietyc123 is the failure related to your proposed fix in #4630? Because it seems unrelated to code change in this PR:

 INFO[2021-04-16T07:18:21Z] • Failure [246.176 seconds]     
INFO[2021-04-16T07:18:21Z] odo supported images e2e tests               
INFO[2021-04-16T07:18:21Z] /go/src/github.com/openshift/odo/tests/e2escenarios/e2e_images_test.go:17 
INFO[2021-04-16T07:18:21Z]   odo supported private registry images deployment 
INFO[2021-04-16T07:18:21Z]   /go/src/github.com/openshift/odo/tests/e2escenarios/e2e_images_test.go:125 
INFO[2021-04-16T07:18:21Z]     Should be able to verify the openjdk-11-rhel8 image [It] 
INFO[2021-04-16T07:18:21Z]     /go/src/github.com/openshift/odo/tests/e2escenarios/e2e_images_test.go:133 
INFO[2021-04-16T07:18:21Z]                                              
INFO[2021-04-16T07:18:21Z]     No future change is possible.  Bailing out early after 240.909s. 
INFO[2021-04-16T07:18:21Z]     Running odo with args [odo push --context /tmp/843824974] 
INFO[2021-04-16T07:18:21Z]     Expected                                 
INFO[2021-04-16T07:18:21Z]         <int>: 1                             
INFO[2021-04-16T07:18:21Z]     to match exit code:                      
INFO[2021-04-16T07:18:21Z]         <int>: 0                         
INFO[2021-04-16T07:18:21Z]                                              
INFO[2021-04-16T07:18:21Z]     /go/src/github.com/openshift/odo/tests/helper/helper_run.go:34 

 INFO[2021-04-16T07:18:21Z] [odo] See below for a list of failed events that occured more than 5 times during deployment: 
INFO[2021-04-16T07:18:21Z] [odo]                                        
INFO[2021-04-16T07:18:21Z] [odo]  NAME                                      COUNT  REASON  MESSAGE                  
INFO[2021-04-16T07:18:21Z] [odo]                                        
INFO[2021-04-16T07:18:21Z] [odo]  openjdk-app-app-1-d2bsp.167644df7ad03132  6      Failed  Error: ImagePullBackOff  
INFO[2021-04-16T07:18:21Z] [odo]                                        
INFO[2021-04-16T07:18:21Z] [odo]                                        
INFO[2021-04-16T07:18:21Z] Deleting project: e2e-images-test133qyx

[dharmit]

/test v4.7-integration-e2e

[prietyc123]

@prietyc123 is the failure related to your proposed fix in #4630? Because it seems unrelated to code change in this PR:

No, its nowhere related to #4630 🙂 . Its a flake tracked #2877