Revert: for refactoring by using the answer code

제시해준 코드와 비교하면서 리팩토링 하기 위함

This reverts commit 0d73452.

src/main/java/http/response/HttpResponse.java

@@ -0,0 +1,2 @@
+package http.response;public class HttpResponse {
+}

src/main/java/http/response/HttpStartLine.java

@@ -0,0 +1,2 @@
+package http.response;public class HttpStartLine {
+}

src/main/java/webserver/RequestHandler.java

@@ -134,7 +134,6 @@ private void response200Header(DataOutputStream dos, int lengthOfBodyContent) {
             dos.writeBytes("Content-Type: text/html;charset=utf-8\r\n");
             dos.writeBytes("Content-Length: " + lengthOfBodyContent + "\r\n");
             dos.writeBytes("\r\n");
-            dos.flush();
         } catch (IOException e) {
             log.log(Level.SEVERE, e.getMessage());
         }
@@ -146,7 +145,6 @@ private void response200HeaderWithCss(DataOutputStream dos, int lengthOfBodyCont
             dos.writeBytes("Content-Type: text/css;charset=utf-8\r\n");
             dos.writeBytes("Content-Length: " + lengthOfBodyContent + "\r\n");
             dos.writeBytes("\r\n");
-            dos.flush();
         } catch (IOException e) {
             log.log(Level.SEVERE, e.getMessage());
         }
@@ -167,7 +165,6 @@ private void response302Header(DataOutputStream dos, String path) {
             dos.writeBytes("HTTP/1.1 302 Found \r\n");
             dos.writeBytes("Location: " + path + "\r\n");
             dos.writeBytes("\r\n");
-            dos.flush();
         } catch (IOException e) {
             log.log(Level.SEVERE, e.getMessage());
         }
@@ -180,7 +177,6 @@ private void response302HeaderWithCookie(DataOutputStream dos, String path) {
             dos.writeBytes("Location: " + path + "\r\n");
             dos.writeBytes("Set-Cookie: logined=true; Path=/\r\n");
             dos.writeBytes("\r\n");
-            dos.flush();
         } catch (IOException e) {
             log.log(Level.SEVERE, e.getMessage());
         }