Stop making BIPM unit schemas reference each other (#101)

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

Author: jviotti

schemas/2020-12/bipm/si/2019/base/prefixed/attoampere.json

@@ -7,5 +7,5 @@
   "x-links": [ "https://www.bipm.org/en/publications/si-brochure" ],
   "x-prefix-factor": 1e-18,
   "x-symbol": "aA",
-  "$ref": "../unit/ampere.json"
+  "type": "number"
 }

schemas/2020-12/bipm/si/2019/base/prefixed/attocandela.json

@@ -7,5 +7,6 @@
   "x-links": [ "https://www.bipm.org/en/publications/si-brochure" ],
   "x-prefix-factor": 1e-18,
   "x-symbol": "acd",
-  "$ref": "../unit/candela.json"
+  "type": "number",
+  "minimum": 0
 }

schemas/2020-12/bipm/si/2019/base/prefixed/attogram.json

@@ -7,5 +7,6 @@
   "x-links": [ "https://www.bipm.org/en/publications/si-brochure" ],
   "x-prefix-factor": 1e-21,
   "x-symbol": "ag",
-  "$ref": "../unit/kilogram.json"
+  "type": "number",
+  "minimum": 0
 }

schemas/2020-12/bipm/si/2019/base/prefixed/attokelvin.json

@@ -7,5 +7,6 @@
   "x-links": [ "https://www.bipm.org/en/publications/si-brochure" ],
   "x-prefix-factor": 1e-18,
   "x-symbol": "aK",
-  "$ref": "../unit/kelvin.json"
+  "type": "number",
+  "minimum": 0
 }

schemas/2020-12/bipm/si/2019/base/prefixed/attometre.json

@@ -7,5 +7,6 @@
   "x-links": [ "https://www.bipm.org/en/publications/si-brochure" ],
   "x-prefix-factor": 1e-18,
   "x-symbol": "am",
-  "$ref": "../unit/metre.json"
+  "type": "number",
+  "minimum": 0
 }

schemas/2020-12/bipm/si/2019/base/prefixed/attomole.json

@@ -7,5 +7,6 @@
   "x-links": [ "https://www.bipm.org/en/publications/si-brochure" ],
   "x-prefix-factor": 1e-18,
   "x-symbol": "amol",
-  "$ref": "../unit/mole.json"
+  "type": "number",
+  "exclusiveMinimum": 0
 }

schemas/2020-12/bipm/si/2019/base/prefixed/attosecond.json

@@ -7,5 +7,6 @@
   "x-links": [ "https://www.bipm.org/en/publications/si-brochure" ],
   "x-prefix-factor": 1e-18,
   "x-symbol": "as",
-  "$ref": "../unit/second.json"
+  "type": "number",
+  "minimum": 0
 }

schemas/2020-12/bipm/si/2019/base/prefixed/centiampere.json

@@ -7,5 +7,5 @@
   "x-links": [ "https://www.bipm.org/en/publications/si-brochure" ],
   "x-prefix-factor": 0.01,
   "x-symbol": "cA",
-  "$ref": "../unit/ampere.json"
+  "type": "number"
 }

schemas/2020-12/bipm/si/2019/base/prefixed/centicandela.json

@@ -7,5 +7,6 @@
   "x-links": [ "https://www.bipm.org/en/publications/si-brochure" ],
   "x-prefix-factor": 0.01,
   "x-symbol": "ccd",
-  "$ref": "../unit/candela.json"
+  "type": "number",
+  "minimum": 0
 }

schemas/2020-12/bipm/si/2019/base/prefixed/centigram.json

@@ -7,5 +7,6 @@
   "x-links": [ "https://www.bipm.org/en/publications/si-brochure" ],
   "x-prefix-factor": 1e-5,
   "x-symbol": "cg",
-  "$ref": "../unit/kilogram.json"
+  "type": "number",
+  "minimum": 0
 }