[gnome-builder] build: remove overlapping warning flags

[Sébastien Lafargue <slafargue src gnome org>]

commit 8f5a6eecd2c574e20c5f560d4a3c897c872014c9
Author: Sebastien Lafargue <slafargue gnome org>
Date:   Fri Mar 18 19:32:55 2016 +0100

    build: remove overlapping warning flags

 configure.ac |    7 -------
 1 files changed, 0 insertions(+), 7 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 1df0716..2fad4aa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -293,17 +293,12 @@ AX_APPEND_COMPILE_FLAGS([ \
        -Wall \
        -Wcast-align \
        -Wdeclaration-after-statement \
-       -Wempty-body \
        -Werror=format-security \
        -Werror=format=2 \
        -Wextra \
-       -Wformat \
        -Wformat-nonliteral \
        -Wformat-security \
-       -Winit-self \
-       -Wmisleading-indentation \
        -Wmissing-include-dirs \
-       -Wshift-negative-value \
        -Wnested-externs \
        -Wno-missing-field-initializers \
        -Wno-sign-compare \
@@ -312,12 +307,10 @@ AX_APPEND_COMPILE_FLAGS([ \
        -Wno-unused-parameter \
        -Wpointer-arith \
        -Wredundant-decls \
-       -Wreturn-type \
        -Wshadow \
        -Wswitch-default \
        -Wswitch-enum \
        -Wundef \
-       -Wuninitialized \
 ], [], [$ax_compiler_flags_test])
 AC_C_CONST