Remove unnecessary config files

.buckconfig

@@ -1,6 +0,0 @@
-
-[android]
-  target = Google Inc.:Google APIs:23
-
-[maven_repositories]
-  central = https://repo1.maven.org/maven2

.flowconfig

@@ -1,54 +0,0 @@
-[ignore]
-; We fork some components by platform
-.*/*[.]android.js
-
-; Ignore "BUCK" generated dirs
-<PROJECT_ROOT>/\.buckd/
-
-; Ignore unexpected extra "@providesModule"
-.*/node_modules/.*/node_modules/fbjs/.*
-
-; Ignore duplicate module providers
-; For RN Apps installed via npm, "Libraries" folder is inside
-; "node_modules/react-native" but in the source repo it is in the root
-.*/Libraries/react-native/React.js
-
-; Ignore polyfills
-.*/Libraries/polyfills/.*
-
-; Ignore metro
-.*/node_modules/metro/.*
-
-[include]
-
-[libs]
-node_modules/react-native/Libraries/react-native/react-native-interface.js
-node_modules/react-native/flow/
-node_modules/react-native/flow-github/
-
-[options]
-emoji=true
-
-module.system=haste
-
-munge_underscores=true
-
-module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> 'RelativeImageStub'
-
-module.file_ext=.js
-module.file_ext=.jsx
-module.file_ext=.json
-module.file_ext=.native.js
-
-suppress_type=$FlowIssue
-suppress_type=$FlowFixMe
-suppress_type=$FlowFixMeProps
-suppress_type=$FlowFixMeState
-
-suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)
-suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)?:? #[0-9]+
-suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
-suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
-
-[version]
-^0.67.0