[ci skip] (Mostly) finish adding identifying patch comments

patches/server/Fix-sand-duping.patch

@@ -26,13 +26,11 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
              }
  
              this.move(MoverType.SELF, this.getDeltaMovement());
-+
 +            // Paper start - fix sand duping
 +            if (this.isRemoved()) {
 +                return;
 +            }
 +            // Paper end - fix sand duping
-+
-             // Paper start - Configurable EntityFallingBlock height nerf
+             // Paper start - Configurable falling blocks height nerf
              if (this.level().paperConfig().fixes.fallingBlockHeightNerf.test(v -> this.getY() > v)) {
                  if (this.dropItem && this.level().getGameRules().getBoolean(GameRules.RULE_DOENTITYDROPS)) {