Remove Tamil fonts from fontrepo

* These fonts are with no upstream now and little known among
  Tamil users.
* Tamil is very well supported in all operating systems
  now a days.
* Also reduce the metadata size for fontrepo

Change-Id: I4e7afb6476a4714f8d87bd2a048309b732883b2f

data/fontrepo/fonts/Thendral/font.ini

@@ -1,6 +0,0 @@
-[Thendral]
-languages=ta
-version=1.0
-license=GPL-2.0
-licensefile=gpl-2.0.txt
-url=https://github.com/thamizha/tamil-fonts

data/fontrepo/fonts/Thenee/font.ini

@@ -1,6 +0,0 @@
-[Thenee]
-languages=ta
-version=1.0
-license=GPL-2.0
-licensefile=gpl-2.0.txt
-url=https://github.com/thamizha/tamil-fonts