[Podspec] remove version for FBSDK#30

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markedwardmurray wants to merge 3 commits intoOceanLabs:masterfrom

markedwardmurray:master

Commits on Jun 1, 2016

[Podspec] increment dependency to FBSDK v4.12.0
markedwardmurray
committed

Commits on Jun 27, 2016

[Podspec] increment dependency to FBSDK v4.13.1
markedwardmurray
authored

Commits on Aug 29, 2016

[Podspec] remove version peg for FBSDK
markedwardmurray
committed