Reduce result template to include only data used by client

Remove following fields from result.js:
baseq_rank_sum
genotype
genotype_quality
haplotype_score
quality_by_depth
sample.batch
sample.count
variant.effects.codon_change
variant.effects.description
variant.effects.functional_class
variant.effects.region
variant.effects.transcript.gene.chr
variant.effects.transcript.gene.families
variant.effects.transcript.gene.id
variant.effects.transcript.gene.name
Fixes #239

Signed-off-by: Ryan O'Hara <oharar@email.chop.edu>