fix: duplicate equal sign in mod push cmd comments

[adohe]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

remove duplicate equal sign in mod push cmd comments

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Additional documentation e.g., design docs, usage docs, etc.:

[coveralls]

Pull Request Test Coverage Report for Build 10163691141

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 10 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.06%) to 54.027%

---

Files with Coverage Reduction	New Missed Lines	%
pkg/engine/operation/parser/spec_parser.go	4	56.1%
pkg/engine/operation/parser/parser.go	6	75.61%

Totals
Change from base Build 10162580923:	-0.06%
Covered Lines:	9392
Relevant Lines:	17384

---

💛 - Coveralls

[SparkYuan]

lgtm