Xcode updates for vision table removal part 3

sys/unix/NetHack.xcodeproj/project.pbxproj

@@ -1011,8 +1011,6 @@
 				"$(NH_UTIL_DIR)/options",
 				"$(NH_INC_DIR)/date.h",
 				"$(NH_INC_DIR)/onames.h",
-				"$(NH_INC_DIR)/vis_tab.h",
-				"$(NH_SRC_DIR)/vis_tab.c",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;

sys/unix/NetHack.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
-<dict/>
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
 </plist>