update README 2 [ci skip]

Author: Jutho

README.md

@@ -4,7 +4,7 @@ Type stable methods for treating small homogeneous tuples as collections.
 
 | **Documentation**                                                               | **Build Status**                                                                                |
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-| [![][docs-stable-img]][docs-stable-url] [![][docs-dev-img]][docs-dev-url] | [![CI][ci-img]][ci-url] [![][appveyor-img]][appveyor-url] [![][codecov-img]][codecov-url] |
+| [![][docs-stable-img]][docs-stable-url] [![][docs-dev-img]][docs-dev-url] | [![CI][ci-img]][ci-url] [![][codecov-img]][codecov-url] |
 
 
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