Revert "useDefaultInputFormat option added to new init method."

This reverts commit 69462283ec4970da1a5028f89d3ddb143d98b8e7.
Revert "Revert "useDefaultInputFormat option added to new init method.""

This reverts commit 7124da2b308146fbee1e84874fb7a44fb58f81f3.
Revert "useDefaultInputFormat option added to new init method."

This reverts commit 69462283ec4970da1a5028f89d3ddb143d98b8e7.
Revert "new init method with option to use default input format"

This reverts commit db2c1ed099d665d56c08ce9c341bf939afde7d37.
Revert "Update AEAudioUnitFilter.m"

This reverts commit 2e0751b5727ef0ac6e287633cd47dafb1b4df09f.
New init method with option to use default audio unit format. This solves issues with audio units such as the 3D mixer which do not properly announce their desired formats.