fix: [doping-substances] Deduplicated some entries

doping-substances/machinetag.json

@@ -451,9 +451,6 @@
         {
           "value": "fenoterol"
         },
-        {
-          "value": "formoterol"
-        },
         {
           "value": "higenamine"
         },
@@ -472,12 +469,6 @@
         {
           "value": "reproterol"
         },
-        {
-          "value": "salbutamol"
-        },
-        {
-          "value": "salmeterol"
-        },
         {
           "value": "terbutaline"
         },
@@ -488,9 +479,6 @@
         {
           "value": "tulobuterol"
         },
-        {
-          "value": "vilanterol"
-        },
         {
           "value": "salbutamol",
           "expanded": "inhaled salbutamol: maximum 1600 micrograms over 24 hours in divided doses not to exceed 600 micrograms over 8 hours starting from any dose"