Removed duplicate lines (Start of fix: #138)

Discovery/DNS/sortedcombied-knock-dnsrecon-fierce-reconng.txt

@@ -53751,7 +53751,6 @@ lzp
 lzs
 lzulxocraxme
 lzytduec
-m.
 m
 m0
 m02

Discovery/DNS/subdomains-top1mil-110000.txt

@@ -2697,7 +2697,6 @@ mail04
 schedule
 ww5
 servidor
-m.
 ivan
 serenity
 dave
@@ -7616,7 +7615,6 @@ shin
 primrose
 dep
 administrator
-mail.
 filer2
 sharon
 kayako
@@ -31900,7 +31898,6 @@ www.bla
 guppy
 icons
 alka
-localhost.
 mcd
 sax
 www.dany
@@ -90119,7 +90116,6 @@ ayhan
 netforce
 esso
 rommel
-r.
 www3stage
 accm
 encuentro

Discovery/DNS/subdomains-top1mil-20000.txt

@@ -2697,7 +2697,6 @@ mail04
 schedule
 ww5
 servidor
-m.
 ivan
 serenity
 dave
@@ -7616,7 +7615,6 @@ shin
 primrose
 dep
 administrator
-mail.
 filer2
 sharon
 kayako

Discovery/DNS/subdomains-top1mil-5000.txt

@@ -2697,7 +2697,6 @@ mail04
 schedule
 ww5
 servidor
-m.
 ivan
 serenity
 dave