(Unneeded change) Revert "FileSignature now supports .equals and .hashCode without serialization."

This reverts commit 84101b9.

Author: nedtwigg

lib/src/main/java/com/diffplug/spotless/FileSignature.java

@@ -174,20 +174,6 @@ synchronized Sig sign(File fileInput) throws IOException {
 		}
 	}
 
-	@Override
-	public boolean equals(Object other) {
-		if (other instanceof FileSignature) {
-			return Arrays.equals(signatures, ((FileSignature) other).signatures);
-		} else {
-			return false;
-		}
-	}
-
-	@Override
-	public int hashCode() {
-		return Arrays.hashCode(signatures);
-	}
-
 	@SuppressFBWarnings("SE_TRANSIENT_FIELD_NOT_RESTORED")
 	private static final class Sig implements Serializable {
 		private static final long serialVersionUID = 6727302747168655222L;
@@ -207,21 +193,6 @@ private static final class Sig implements Serializable {
 			this.hash = hash;
 			this.lastModified = lastModified;
 		}
-
-		@Override
-		public boolean equals(Object other) {
-			if (other instanceof Sig) {
-				Sig o = (Sig) other;
-				return name.equals(o.name) && size == o.size && Arrays.equals(hash, o.hash);
-			} else {
-				return false;
-			}
-		}
-
-		@Override
-		public int hashCode() {
-			return Arrays.hashCode(hash) | name.hashCode();
-		}
 	}
 
 	/** Asserts that child is a subpath of root. and returns the subpath. */