Merge pull request #5957 from dolphin-emu/revert-5939-WIP/broken-fstr…

…eam-copy

Revert "Try to fix File::Copy with non-1024-byte aligned sizes"

Source/Core/Common/FileUtil.cpp

@@ -358,7 +358,7 @@ bool Copy(const std::string& srcFilename, const std::string& destFilename)
   while (!input.eof())
   {
     // read input
-    auto read_size = input.readsome(buffer, BSIZE);
+    input.read(buffer, BSIZE);
     if (!input)
     {
       ERROR_LOG(COMMON, "Copy: failed reading from source, %s --> %s", srcFilename.c_str(),
@@ -367,7 +367,7 @@ bool Copy(const std::string& srcFilename, const std::string& destFilename)
     }
 
     // write output
-    if (!output.WriteBytes(buffer, read_size))
+    if (!output.WriteBytes(buffer, BSIZE))
     {
       ERROR_LOG(COMMON, "Copy: failed writing to output, %s --> %s: %s", srcFilename.c_str(),
                 destFilename.c_str(), LastStrerrorString().c_str());