edits+concision: removing redundancy.

Before
---
file: build/master/json/core/replica-set-architecture-geographically-distributed.json
source: source/core/replica-set-architecture-geographically-distributed.txt
stats:
   coleman-liau: 8.94094674556213
   flesch-ease: 48.87059418145961
   flesch-level: 9.94155325443787
   foggy:
      count: 24
      factor: 0.07100591715976332
      threshold: 3
   sentence-count: 24
   sentence-len-avg: 14
   smog-index: 8.841846274778883
   word-count: 338

After
---
file: build/master/json/core/replica-set-architecture-geographically-distributed.json
source: source/core/replica-set-architecture-geographically-distributed.txt
stats:
   coleman-liau: 9.737249070631968
   flesch-ease: 42.87422552664191
   flesch-level: 10.461476367498673
   foggy:
      count: 24
      factor: 0.08921933085501858
      threshold: 3
   sentence-count: 21
   sentence-len-avg: 12
   smog-index: 9.236282656511921
   word-count: 269
edits+readability: rs-architectures

Before:
---
file: build/master/json/core/replica-set-architecture-three-members.json
source: source/core/replica-set-architecture-three-members.txt
stats:
   coleman-liau: 10.921875
   flesch-ease: 37.411988636363674
   flesch-level: 11.654602272727274
   foggy:
      count: 29
      factor: 0.090625
      threshold: 3
   sentence-count: 22
   sentence-len-avg: 14
   smog-index: 9.68802393474861
   word-count: 320

After:
---
file: build/master/json/core/replica-set-architecture-three-members.json
source: source/core/replica-set-architecture-three-members.txt
stats:
   coleman-liau: 9.932528735632186
   flesch-ease: 42.77184093437154
   flesch-level: 10.082317389692253
   foggy:
      count: 28
      factor: 0.08045977011494253
      threshold: 3
   sentence-count: 31
   sentence-len-avg: 11
   smog-index: 8.558390810932622
   word-count: 348