Remove SERP variants (#1250)

Author: marcosholgado

app/src/androidTest/java/com/duckduckgo/app/statistics/VariantManagerTest.kt

@@ -32,14 +32,14 @@ class VariantManagerTest {
     @Test
     fun serpControlVariantHasExpectedWeightAndNoFeatures() {
         val variant = variants.first { it.key == "sc" }
-        assertEqualsDouble(1.0, variant.weight)
+        assertEqualsDouble(0.0, variant.weight)
         assertEquals(0, variant.features.size)
     }
 
     @Test
     fun serpExperimentalVariantHasExpectedWeightAndNoFeatures() {
         val variant = variants.first { it.key == "se" }
-        assertEqualsDouble(1.0, variant.weight)
+        assertEqualsDouble(0.0, variant.weight)
         assertEquals(0, variant.features.size)
     }
 

statistics/src/main/java/com/duckduckgo/app/statistics/VariantManager.kt

@@ -43,8 +43,8 @@ interface VariantManager {
         val ACTIVE_VARIANTS = listOf(
             // SERP variants. "sc" may also be used as a shared control for mobile experiments in
             // the future if we can filter by app version
-            Variant(key = "sc", weight = 1.0, features = emptyList(), filterBy = { isSerpRegionToggleCountry() }),
-            Variant(key = "se", weight = 1.0, features = emptyList(), filterBy = { isSerpRegionToggleCountry() }),
+            Variant(key = "sc", weight = 0.0, features = emptyList(), filterBy = { isSerpRegionToggleCountry() }),
+            Variant(key = "se", weight = 0.0, features = emptyList(), filterBy = { isSerpRegionToggleCountry() }),
 
             // InAppUsage Experiments
             Variant(key = "ma", weight = 0.0, features = emptyList(), filterBy = { isEnglishLocale() }),