Remove unused Message Types. Remove unused process() argument

[vladsud]

No description provided.

[andre4i]

I think this needs to go into next along with all the typeValidation stuff

[msfluid-bot]

⯆ @fluid-example/bundle-size-tests: -11 Bytes

Metric Name	Baseline Size	Compare Size	Size Diff
aqueduct.js	392.81 KB	392.81 KB	■ No change
connectionState.js	680 Bytes	680 Bytes	■ No change
containerRuntime.js	191.79 KB	191.79 KB	■ No change
loader.js	151.71 KB	151.7 KB	⯆ -11 Bytes
map.js	42.63 KB	42.63 KB	■ No change
matrix.js	131.62 KB	131.62 KB	■ No change
odspDriver.js	150.23 KB	150.23 KB	■ No change
odspPrefetchSnapshot.js	38.39 KB	38.39 KB	■ No change
sharedString.js	152.92 KB	152.92 KB	■ No change
Total Size	1.25 MB	1.25 MB	⯆ -11 Bytes

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Baseline commit: 2d89900

Generated by 🚫 dangerJS against ec00b51

[vladsud]

Closing in favor of #11805 (next branch)