Remove duplicate test

This partially reverts commit 047418d

Author: Dmitry-Me

test/testother.cpp

@@ -6997,14 +6997,6 @@ class TestOther : public TestFixture {
               "}");
         ASSERT_EQUALS("[test.cpp:3]: (warning) Storing getchar() return value in char variable and then comparing with EOF.\n", errout.str());
 
-        check("void f() {\n"
-              "  unsigned char c;\n"
-              "  while( EOF != ( c = getchar() ) )\n"
-              "  {\n"
-              "  }\n"
-              "}");
-        ASSERT_EQUALS("[test.cpp:3]: (warning) Storing getchar() return value in char variable and then comparing with EOF.\n", errout.str());
-
         check("void f() {\n"
               "  int i; i = getchar();\n"
               "  while( i != EOF)\n"