Removing unneeded PuTTY files (4c273d68) from project file

Source commit: 0bc0a4210a3f821517c9ef5b8a2bd9d5ec95d2d5

source/Putty.cbproj

@@ -103,9 +103,6 @@
         <CppCompile Include="putty\crypto\aes-common.c">
             <BuildOrder>9</BuildOrder>
         </CppCompile>
-        <CppCompile Include="putty\crypto\aesgcm-common.c">
-            <BuildOrder>158</BuildOrder>
-        </CppCompile>
         <CppCompile Include="putty\crypto\aesgcm-ref-poly.c">
             <BuildOrder>159</BuildOrder>
         </CppCompile>
@@ -487,12 +484,6 @@
         <CppCompile Include="putty\utils\parse_blocksize.c">
             <BuildOrder>103</BuildOrder>
         </CppCompile>
-        <CppCompile Include="putty\utils\percent_decode.c">
-            <BuildOrder>150</BuildOrder>
-        </CppCompile>
-        <CppCompile Include="putty\utils\percent_encode.c">
-            <BuildOrder>151</BuildOrder>
-        </CppCompile>
         <CppCompile Include="putty\utils\prompts.c">
             <BuildOrder>104</BuildOrder>
         </CppCompile>