Remove strtoq() and strtouq().

These have been aliases for strtoll() and strtoull() since L, by
accident. We've never exposed them in the headers, and they're unused by
any apps. Let's fix the inconsistency between libc.so and its headers by
removing the aliases.

Bug: android/ndk#1803
Test: treehugger
Change-Id: I87de7831c04b3e450a44e9f0386cacb73793e393

libc/bionic/strtol.cpp

@@ -183,9 +183,6 @@ long long strtoll(const char* s, char** end, int base) {
   return StrToI<long long, LLONG_MIN, LLONG_MAX>(s, end, base);
 }
 
-// Public API since L, but not in any header.
-__strong_alias(strtoq, strtoll);
-
 unsigned long strtoul(const char* s, char** end, int base) {
   return StrToU<unsigned long, ULONG_MAX>(s, end, base);
 }
@@ -197,6 +194,3 @@ unsigned long long strtoull(const char* s, char** end, int base) {
 uintmax_t strtoumax(const char* s, char** end, int base) {
   return StrToU<uintmax_t, UINTMAX_MAX>(s, end, base);
 }
-
-// Public API since L, but not in any header.
-__strong_alias(strtouq, strtoull);

libc/libc.map.txt

@@ -1037,12 +1037,10 @@ LIBC {
     strtold_l; # introduced=21
     strtoll;
     strtoll_l; # introduced=21
-    strtoq; # introduced=21
     strtoul;
     strtoull;
     strtoull_l; # introduced=21
     strtoumax;
-    strtouq; # introduced=21
     strxfrm;
     strxfrm_l; # introduced=21
     swapoff; # introduced-arm=19 introduced-arm64=21 introduced-x86=19 introduced-x86_64=21