test: remove invalid cases

the removed tests were checking the non-processsample exclusion + FF enabled behavior. Given the non-processsample check is now done elsewhere, these tests are now invalid

internal/agent/agent_test.go

@@ -818,24 +818,6 @@ func BenchmarkStorePluginOutput(b *testing.B) {
 	}
 }
 
-func Test_ProcessSampling_FeatureFlagIsEnabled(t *testing.T) {
-	cnf := &config.Config{
-		IncludeMetricsMatchers: map[string][]string{"process.name": {"some-process"}},
-	}
-	someSample := struct {
-		evenType string
-	}{
-		evenType: "ProcessSample",
-	}
-	a, _ := NewAgent(cnf, "test", "userAgent", test.NewFFRetrieverReturning(true, true))
-
-	// when
-	actual := a.Context.shouldIncludeEvent(someSample)
-
-	// then
-	assert.Equal(t, true, actual)
-}
-
 func getBooleanPtr(val bool) *bool {
 	return &val
 }

pkg/metrics/sampler/matcher_test.go

@@ -534,16 +534,6 @@ func TestNewSampleMatchFn(t *testing.T) {
 		args    args
 		include bool
 	}{
-		{
-			name: "non process samples are always included",
-			args: args{
-				enableProcessMetrics:   &falseVar,
-				includeMetricsMatchers: emptyMatchers,
-				ffRetriever:            testFF.EmptyFFRetriever,
-				sample:                 &fixture.NetworkSample,
-			},
-			include: true,
-		},
 		{
 			name: "when enableProcessMetrics is FALSE process samples are always excluded",
 			args: args{