.travis.yml: remove dep steps

Author: estroz

Diff for: .travis.yml

@@ -17,11 +17,6 @@ env:
 # so we can use it to create a bunch of common build step
 # YAML anchors which we use in our build jobs.
 x_base_steps:
-  # before_install for jobs that require dep
-  - &dep_before_install
-    before_install:
-      - curl -Lo dep https://github.com/golang/dep/releases/download/v0.5.0/dep-linux-amd64 && chmod +x dep && sudo mv dep /usr/local/bin/
-      - travis_retry dep ensure -v
   # before_install for jobs that require go builds and do not run for doc-only changes
   - &go_before_install
     before_install:
@@ -86,7 +81,6 @@ jobs:
       name: Unit, Sanity, and Markdown Tests
       # Currently, prow/api-ci tests all PRs that target master; use travis for post merge testing and non-master PRs
       if: type != pull_request OR branch != master
-      <<: *dep_before_install
       script: make test/sanity test/unit test/markdown
       after_success: echo 'Tests Passed'
       after_failure: echo 'Failure in unit, sanity, or markdown test'

Diff for: Makefile

@@ -30,7 +30,7 @@ all: format test build/operator-sdk
 format:
 	$(Q)go fmt $(PKGS)
 
-# TODO: change to mod-update once prow CI command has changed.
+# TODO: change to mod once prow CI command has changed.
 dep:
 ifeq ($(BUILD_VERBOSE),1)
 	go mod vendor -v