Replace normalizer with explicit parse rules

[kriskowal]

Previously, the transcriber depended on a normalizer to change common clusters like PH and X into a regular form (F, CS) as well as equivalent notations for vowels. A recent feature allows the transcriber to produce not just the transcription, but trace each individual glyph to the text that originated it. While this greatly simplified the parsers, there were a number of lingering bugs due to the process and it obscured the original text. It also became recently apparent that certain orthographic transcriptions are possible, particularly for PH, if we remove the normalizer and allow the mode for general use transcriber to choose the representation of that cluster.

[vercel[bot]]

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