default to the currency for thousand delimiter when unknown

when we're not able to make an educated guess on decimal vs thousand separator, default to using the decimal separator for the currency

lib/money/parser/fuzzy.rb

@@ -160,11 +160,6 @@ def last_digits_decimals?(digits, marks, currency)
  return true
  end
 
- # legacy support for 1.000 USD
- if digits.last.size == 3 && digits.first.size <= 3 && currency.minor_units < 3
- return false
- end
-
  # The last mark matches the one used by the provided currency to delimiter decimals
  currency.decimal_mark == last_mark
  end

spec/parser/accounting_spec.rb

@@ -119,7 +119,7 @@
 
  it "parses thousands amount" do
  Money.with_currency(Money::NULL_CURRENCY) do
- expect(@parser.parse("1.000")).to eq(Money.new(1000.00))
+ expect(@parser.parse("1.000")).to eq(Money.new(1.00))
  end
  end
 

spec/parser/fuzzy_spec.rb

@@ -143,7 +143,7 @@
  end
 
  it "parses no currency amount" do
- expect(@parser.parse("1.000", Money::NULL_CURRENCY)).to eq(Money.new(1000, Money::NULL_CURRENCY))
+ expect(@parser.parse("1.000", Money::NULL_CURRENCY)).to eq(Money.new(1, Money::NULL_CURRENCY))
  end
 
  it "parses amount with more than 3 decimals correctly" do
@@ -252,7 +252,7 @@
  describe "no decimal currency" do
  it "parses thousands correctly" do
  expect(@parser.parse("1,111", "JPY")).to eq(Money.new(1_111, 'JPY'))
- expect(@parser.parse("1.111", "JPY")).to eq(Money.new(1_111, 'JPY'))
+ expect(@parser.parse("1.111", "JPY")).to eq(Money.new(1, 'JPY'))
  expect(@parser.parse("1 111", "JPY")).to eq(Money.new(1_111, 'JPY'))
  expect(@parser.parse("1111,111", "JPY")).to eq(Money.new(1_111_111, 'JPY'))
  end
@@ -267,7 +267,7 @@
  describe "two decimal currency" do
  it "parses thousands correctly" do
  expect(@parser.parse("1,111", "USD")).to eq(Money.new(1_111, 'USD'))
- expect(@parser.parse("1.111", "USD")).to eq(Money.new(1_111, 'USD'))
+ expect(@parser.parse("1.111", "USD")).to eq(Money.new(1.11, 'USD'))
  expect(@parser.parse("1 111", "USD")).to eq(Money.new(1_111, 'USD'))
  expect(@parser.parse("1111,111", "USD")).to eq(Money.new(1_111_111, 'USD'))
  end