Remove the old indian tables that have obvious replacements

| old table | Language        | new table    |
|-----------+-----------------+--------------|
| as        | Assamese        | as-in-g1.utb |
| bn        | Bengali         | be-in-g1.utb |
| gu        | Gujarati        | gu-in-g1.utb |
| gurmukhi  | Gurumukhi       | gurumuki.cti |
| hi        | Hindi           | hi-in-g1.utb |
| kn        | Kannada         | ka-in-g1.utb |
| ml        | Malayalam       | ml-in-g1.utb |
| mni       | Manipuri        | mn-in-g1.utb |
| mr        | Marathi         | mr-in-g1.utb |
| ne        | Nepali          | np-in-g1.utb |
| or        | Oriya           | or-in-g1.utb |
| pa        | Panjabi/Punjabi | pu-in-g1.utb |
| sa        | Sanskrit        | sa-in-g1.utb |
| sd        | Sindhi          | si-in-g1.utb |
| te        | Telugu          | te-in-g1.utb |

There are still more to go