Bump eipv to v0.3.0 (ethereum#4386)

* bump eipv to v0.3.0

* remove deprecated preamble fields from eips

.travis.yml

@@ -30,7 +30,7 @@ matrix:
  - language: rust
  cache: cargo
  before_script:
- - cargo install eipv --version=0.2.0
+ - cargo install eipv --version=0.3.0
  env: TASK='eip-validator'
  - python: 3.3
  env: TASK='codespell'

EIPS/eip-1123.md

@@ -7,7 +7,6 @@ status: Withdrawn
 type: Standards Track
 category: ERC
 created: 2018-06-01
-replaces: 190
 ---
 
 This ERC has been abandoned in favor of the EthPM V3 smart contract packaging standard defined in [ERC-2678](./eip-2678.md)

EIPS/eip-158.md

@@ -6,7 +6,6 @@ type: Standards Track
 category: Core
 status: Final
 created: 2016-10-16
-superseded-by: 161
 ---
 
 # Specification

EIPS/eip-1706.md

@@ -8,7 +8,6 @@ type: Standards Track
 category: Core
 created: 2019-01-15
 requires: 1283
-superseded-by: 2200
 ---
 > :information_source: **[EIP-2200] has superseded [EIP-1706].** :information_source:
 

EIPS/eip-1820.md

@@ -8,7 +8,6 @@ type: Standards Track
 category: ERC
 requires: 165, 214
 created: 2019-03-04
-replaces: 820
 ---
 
 > :information_source: **[ERC-1820] has superseded [ERC-820].** :information_source: 

EIPS/eip-211.md

@@ -6,7 +6,6 @@ type: Standards Track
 category: Core
 status: Final
 created: 2017-02-13
-replaces: 5
 ---
 
 ## Simple Summary

EIPS/eip-4.md

@@ -5,7 +5,6 @@ author: Joseph Chow (@ethers)
 status: Final
 type: Meta
 created: 2015-11-17
-superseded-by: 1
 ---
 
 # Abstract

EIPS/eip-5.md

@@ -6,7 +6,6 @@ status: Final
 type: Standards Track
 category: Core
 created: 2015-11-22
-superseded-by: 211
 ---
 
 ### Abstract

EIPS/eip-820.md

@@ -8,7 +8,6 @@ type: Standards Track
 category: ERC
 requires: 165, 214
 created: 2018-01-05
-superseded-by: 1820
 ---
 
 > :information_source: **[ERC-1820] has superseded [ERC-820].** :information_source: