Revert "Merge "Enable PATCH method in crow""

This reverts commit e2d96ed756b7678ec9b291af8983006f79dcf9dd, reversing
changes made to 9d8fd3037f9b9e3f243a00f2d6b2c8ca589f21cd.
diff --git a/crow/include/crow/common.h b/crow/include/crow/common.h
index 62f7a8f..7807ccb 100644
--- a/crow/include/crow/common.h
+++ b/crow/include/crow/common.h
@@ -17,7 +17,6 @@
   CONNECT,
   OPTIONS,
   TRACE,
-  PATCH = 24, // see http_parser_merged.h line 118 for why it is 24
 #endif
 
   Delete = 0,
@@ -28,7 +27,6 @@
   Connect,
   Options,
   Trace,
-  Patch = 24,
 };
 
 inline std::string method_name(HTTPMethod method) {
@@ -49,8 +47,6 @@
       return "OPTIONS";
     case HTTPMethod::Trace:
       return "TRACE";
-    case HTTPMethod::Patch:
-      return "PATCH";
   }
   return "invalid";
 }
@@ -73,21 +69,17 @@
 
   void debug_print() const {
     std::cerr << "routing_params" << std::endl;
-    for (auto i : int_params) {
-      std::cerr << i << ", ";
-    }
+    for (auto i : int_params) { std::cerr << i << ", ";
+}
     std::cerr << std::endl;
-    for (auto i : uint_params) {
-      std::cerr << i << ", ";
-    }
+    for (auto i : uint_params) { std::cerr << i << ", ";
+}
     std::cerr << std::endl;
-    for (auto i : double_params) {
-      std::cerr << i << ", ";
-    }
+    for (auto i : double_params) { std::cerr << i << ", ";
+}
     std::cerr << std::endl;
-    for (auto& i : string_params) {
-      std::cerr << i << ", ";
-    }
+    for (auto& i : string_params) { std::cerr << i << ", ";
+}
     std::cerr << std::endl;
   }
 
@@ -117,25 +109,28 @@
 }  // namespace crow
 
 constexpr crow::HTTPMethod operator"" _method(const char* str, size_t /*len*/) {
-  if (crow::black_magic::is_equ_p(str, "GET", 3)) {
-    return crow::HTTPMethod::Get;
-  } else if (crow::black_magic::is_equ_p(str, "DELETE", 6)) {
-    return crow::HTTPMethod::Delete;
-  } else if (crow::black_magic::is_equ_p(str, "HEAD", 4)) {
-    return crow::HTTPMethod::Head;
-  } else if (crow::black_magic::is_equ_p(str, "POST", 4)) {
-    return crow::HTTPMethod::Post;
-  } else if (crow::black_magic::is_equ_p(str, "PUT", 3)) {
-    return crow::HTTPMethod::Put;
-  } else if (crow::black_magic::is_equ_p(str, "OPTIONS", 7)) {
-    return crow::HTTPMethod::Options;
-  } else if (crow::black_magic::is_equ_p(str, "CONNECT", 7)) {
-    return crow::HTTPMethod::Connect;
-  } else if (crow::black_magic::is_equ_p(str, "TRACE", 5)) {
-    return crow::HTTPMethod::Trace;
-  } else if (crow::black_magic::is_equ_p(str, "PATCH", 5)) {
-    return crow::HTTPMethod::Patch;
-  } else {
-    throw std:: runtime_error( "invalid http method");
-  }
+  return crow::black_magic::is_equ_p(str, "GET", 3)
+             ? crow::HTTPMethod::Get
+             : crow::black_magic::is_equ_p(str, "DELETE", 6)
+                   ? crow::HTTPMethod::Delete
+                   : crow::black_magic::is_equ_p(str, "HEAD", 4)
+                         ? crow::HTTPMethod::Head
+                         : crow::black_magic::is_equ_p(str, "POST", 4)
+                               ? crow::HTTPMethod::Post
+                               : crow::black_magic::is_equ_p(str, "PUT", 3)
+                                     ? crow::HTTPMethod::Put
+                                     : crow::black_magic::is_equ_p(str,
+                                                                   "OPTIONS", 7)
+                                           ? crow::HTTPMethod::Options
+                                           : crow::black_magic::is_equ_p(
+                                                 str, "CONNECT", 7)
+                                                 ? crow::HTTPMethod::Connect
+                                                 : crow::black_magic::is_equ_p(
+                                                       str, "TRACE", 5)
+                                                       ? crow::HTTPMethod::Trace
+                                                       : throw std::
+                                                             runtime_error(
+                                                                 "invalid http "
+                                                                 "method");
 }
+