Remove previous test methods

There were a few tests that used to be here only to run a mock pipeline.
Since we now have testable methods, this is not useful anymore and this
commit removes them

tracker/main.go

@@ -9,10 +9,6 @@ import (
 	"git.faercol.me/faercol/public-ip-tracker/tracker/config"
 )
 
-func testMethod(a int) int {
-	return a + 2
-}
-
 type cliArgs struct {
 	configPath string
 }

tracker/main_test.go

@@ -1,9 +0,0 @@
-package main
-
-import "testing"
-
-func TestTestMethod(t *testing.T) {
-	if testMethod(12) != 14 {
-		t.Fatalf("Unexpected result %d", testMethod((12)))
-	}
-}