Revert of Turned on SkSL->GLSL compiler

src/sksl/SkSLUtil.cpp

Index: src/sksl/SkSLUtil.cpp
diff --git a/src/sksl/SkSLUtil.cpp b/src/sksl/SkSLUtil.cpp
index aefad6936799dd4e92bccf0fed280b439e6737a7..327bffe4f1910c778d9a9654b304c5434d98f312 100644
--- a/src/sksl/SkSLUtil.cpp
+++ b/src/sksl/SkSLUtil.cpp
@@ -8,41 +8,6 @@
 #include "SkSLUtil.h"
 
 namespace SkSL {
-
-std::string to_string(double value) {
-    std::stringstream buffer;
-    buffer << std::setprecision(std::numeric_limits<double>::digits10) << value;
-    std::string result = buffer.str();
-    if (result.find_last_of(".") == std::string::npos && 
-        result.find_last_of("e") == std::string::npos) {
-        result += ".0";
-    }
-    return result;
-}
-
-std::string to_string(int32_t value) {
-    std::stringstream buffer;
-    buffer << value;
-    return buffer.str();
-}
-
-std::string to_string(uint32_t value) {
-    std::stringstream buffer;
-    buffer << value;
-    return buffer.str();
-}
-
-std::string to_string(int64_t value) {
-    std::stringstream buffer;
-    buffer << value;
-    return buffer.str();
-}
-
-std::string to_string(uint64_t value) {
-    std::stringstream buffer;
-    buffer << value;
-    return buffer.str();
-}
 
 int stoi(std::string s) {
     return atoi(s.c_str());