Delete .vscode folder

It hasn't been maintained in years. I'm tired of the root level of our
project having an advertisement for Microsoft Visual Studio Code. Your
preferred editor should be Emacs or Vim.

.vscode/c_cpp_properties.json

@@ -1,108 +0,0 @@
-{
-	"configurations": [
-		{
-			"name": "Win32",
-			"includePath": [
-				"${workspaceFolder}"
-			],
-			"cStandard": "c11",
-			"cppStandard": "c++11",
-			"forcedInclude": ["${workspaceFolder}/.vscode/vscode.h"],
-			"defines": [
-				"libcesque=",
-				"pureconst=",
-				"paramsnonnull(x)=",
-				"alignas(x)",
-				"alignof(x)",
-				"artificial=",
-				"__wur=",
-				"mayalias=",
-				"forceinline=",
-				"forcealign(x)=",
-				"scanfesque(x)=",
-				"strftimeesque(x)=",
-				"wontreturn=",
-				"textreal=",
-				"mallocesque=",
-				"callocesque=",
-				"vallocesque=",
-				"reallocesque=",
-				"strlenesque=",
-				"memcpyesque=",
-				"hasatleast=",
-				"noinline=",
-				"textexit=",
-				"returnstwice=",
-				"textwindows=",
-				"privileged=",
-				"dontinstrument=",
-				"nodebuginfo=",
-				"interruptfn=",
-				"optimizespeed=",
-				"forcealignargpointer=",
-				"dontasan=",
-				"dontubsan=",
-				"donothing=",
-				"nosideeffect=",
-				"unreachable=",,
-				"notpossible=",
-				"thatispacked=",
-				"dontthrow=",
-				"dontcallback=",
-				"relegated=",
-				"hidden=",
-				"textstartup=",
-				"returnsnonnull=",
-				"returnspointerwithnoaliases=",
-				"printfesque(x)=",
-				"attributeallocsize(x)=",
-				"returnsaligned(x)=",
-				"attributeallocalign(x)=",
-				"nullterminated(x)="
-			]
-		},
-		{
-			"name": "Linux",
-			"includePath": [
-				"${workspaceFolder}"
-			],
-			"cStandard": "gnu17",
-			"compilerPath": "${workspaceFolder}/o/third_party/gcc/bin/x86_64-linux-musl-gcc",
-			"compilerArgs": [
-				"-Wall",
-				"-Werror",
-				"-fdebug-prefix-map=${workspaceFolder}=",
-				"-frecord-gcc-switches",
-				"-Wa,-W",
-				"-Wa,-I.",
-				"-Wa,--noexecstack",
-				"-Og",
-				"-g",
-				"-gdescribe-dies",
-				"-msse3",
-				"-mno-red-zone",
-				"-fno-math-errno",
-				"-fno-trapping-math",
-				"-fno-fp-int-builtin-inexact",
-				"-fno-ident",
-				"-fno-common",
-				"-fno-gnu-unique",
-				"-fstrict-aliasing",
-				"-fstrict-overflow",
-				"-fno-semantic-interposition",
-				"-mno-omit-leaf-frame-pointer",
-				"-fno-jump-tables",
-				"-nostdinc",
-				"-iquote."
-			],
-			"forcedInclude": [
-				"libc/integral/normalize.inc"
-			],
-			"defines": [
-				"COSMO",
-				"MODE="
-			]
-		}
-	],
-	"version": 4
-}

.vscode/vscode.h

@@ -1,2 +0,0 @@
-#define __VSCODE_INTELLISENSE__ 1
-#include "libc/integral/normalize.inc"