Remove email

[xz0127]

Remove email field in person's model

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@05c66ee). Click here to learn what that means.
The diff coverage is 90.90%.

@@            Coverage Diff            @@
##             master      #81   +/-   ##
=========================================
  Coverage          ?   73.47%           
  Complexity        ?      477           
=========================================
  Files             ?       78           
  Lines             ?     1365           
  Branches          ?      150           
=========================================
  Hits              ?     1003           
  Misses            ?      321           
  Partials          ?       41           

Impacted Files	Coverage Δ	Complexity Δ
.../java/seedu/address/logic/commands/AddCommand.java	100.00% <ø> (ø)	8.00 <0.00> (?)
...ain/java/seedu/address/logic/parser/CliSyntax.java	80.00% <ø> (ø)	1.00 <0.00> (?)
...in/java/seedu/address/logic/parser/ParserUtil.java	96.77% <ø> (ø)	12.00 <0.00> (?)
.../java/seedu/address/model/util/SampleDataUtil.java	20.00% <ø> (ø)	1.00 <0.00> (?)
src/main/java/seedu/address/ui/PersonCard.java	0.00% <ø> (ø)	0.00 <0.00> (?)
...c/main/java/seedu/address/model/person/Person.java	97.22% <75.00%> (ø)	18.00 <0.00> (?)
...java/seedu/address/logic/commands/EditCommand.java	96.72% <100.00%> (ø)	12.00 <0.00> (?)
...a/seedu/address/logic/parser/AddCommandParser.java	100.00% <100.00%> (ø)	5.00 <0.00> (?)
.../seedu/address/logic/parser/EditCommandParser.java	91.66% <100.00%> (ø)	10.00 <0.00> (?)
.../java/seedu/address/storage/JsonAdaptedPerson.java	100.00% <100.00%> (ø)	9.00 <0.00> (?)

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[JinHao-L]

LGTM 👍

[YangYue128-helen]

LGTM!

[Avalionnet]

LGTM! Good job with the refactoring 👍🏻